Deck 22: Biochemistry

ملء الشاشة (f)
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سؤال
Choose the saturated triglyceride from the compounds below.

A) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
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سؤال
Which of the following is an example of an aldohexose?

A) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Identify the polysaccharide.

A) glucose
B) starch
C) cholesterol
D) fructose
E) sucrose
سؤال
What type of lipid is the following compound? <strong>What type of lipid is the following compound?  </strong> A) steroid B) phospholipid C) glycolipid D) fatty acid E) triglyceride <div style=padding-top: 35px>

A) steroid
B) phospholipid
C) glycolipid
D) fatty acid
E) triglyceride
سؤال
Choose the polyunsaturated triglyceride from the compounds below.

A) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
What type of lipid is the following compound? <strong>What type of lipid is the following compound?  </strong> A) steroid B) phospholipid C) glycolipid D) fatty acid E) triglyceride <div style=padding-top: 35px>

A) steroid
B) phospholipid
C) glycolipid
D) fatty acid
E) triglyceride
سؤال
What type of lipid is the following compound? <strong>What type of lipid is the following compound?  </strong> A) steroid B) phospholipid C) glycolipid D) fatty acid E) triglyceride <div style=padding-top: 35px>

A) steroid
B) phospholipid
C) glycolipid
D) fatty acid
E) triglyceride
سؤال
Identify the disaccharide.

A) glucose
B) cholesterol
C) fructose
D) cellulose
E) sucrose
سؤال
Choose the monosaccharide from the compounds below.

A) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Identify glucose.

A) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Monosaccharide units are bonded together to form polysaccharides by which of the following?

A) peptide bonds
B) glycosidic linkages
C) disulfide linkages
D) hydrogen bonds
E) ester linkages
سؤال
Which of the following is an example of a ketopentose?

A) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Which of the following fatty acids is most likely to be a liquid at room temperature?

A) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
What type of lipid is the following compound? <strong>What type of lipid is the following compound?  </strong> A) steroid B) phospholipid C) glycolipid D) fatty acid E) triglyceride <div style=padding-top: 35px>

A) steroid
B) phospholipid
C) glycolipid
D) fatty acid
E) triglyceride
سؤال
Choose the polyunsaturated fatty acid from the compounds below.

A) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Choose the saturated fatty acid from the compounds below.

A) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Which of the following fatty acids is most likely to be a solid at room temperature?

A) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Which of the following is an example of an aldopentose?

A) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Choose the disaccharide from the compounds below.

A) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Which of the following form between glycerol and fatty acids to form triglycerides?

A) hydrogen bonds
B) disulfide linkages
C) peptide bonds
D) glycosidic linkages
E) ester linkages
سؤال
Which of the following hold two strands of DNA in an a-helix?

A) ester linkages
B) disulfide linkages
C) peptide bonds
D) hydrogen bonds
E) glycosidic linkages
سؤال
The following is part of a DNA sequence. What is its complementary sequence? TCGTAAGCTTGCG

A) AGCATTCGAACGC
B) CGCAAGCTTACGA
C) TCATTCAC
D) GCGTTCGAATGCT
E) TCGTAAGCTTGCG
سؤال
Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)?

A) GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly
B) GlyValLeu, GlyLeuVal, LeuGlyVal
C) ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal
D) ValGlyLeu and GlyLeuVal
E) GlyValLeu
سؤال
How many of the carbons in the following structure are chiral? <strong>How many of the carbons in the following structure are chiral?  </strong> A) 0 B) 1 C) 2 D) 3 E) 4 or more <div style=padding-top: 35px>

A) 0
B) 1
C) 2
D) 3
E) 4 or more
سؤال
Which of the following statements is TRUE?

A) Cytosine and Thymine are a complementary base pair that forms three hydrogen bonds.
B) Thymine and Guanine are a complementary base pair that forms three hydrogen bonds.
C) Cytosine and Guanine are a complementary base pair that forms two hydrogen bonds.
D) Thymine and Adenine are a complementary base pair that forms two hydrogen bonds.
E) Thymine and Guanine are a complementary base pair that forms two hydrogen bonds.
سؤال
Which of the following statements is TRUE?

A) Monosaccharides are the building blocks of proteins.
B) Nucleotides are the building blocks of polysaccharides.
C) Fatty acids are responsible for DNA replication.
D) Amino acids are the building blocks of proteins.
E) All carbohydrates are water soluble and digestible by humans.
سؤال
Which one of the following amino acids does not contain a basic side chain?

A) arginine
B) histidine
C) lysine
D) threonine
سؤال
Which of the following is an example of a secondary protein structure?

A) amino acid
B) ester bond
C) lipid
D) α-glycosidic linkage
E) α-helix
سؤال
Choose the polysaccharide from the compounds below.

A) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Which of the following shows all of the tripeptides that can be formed from one molecule each of alanine (Ala), methionine (Met), and proline (Pro)?

A) AlaMetPro
B) AlaMetPro and AlaProMet
C) AlaMetPro, AlaProMet, ProMetAla, ProAlaMet, MetProAla, MetAlaPro
D) AlaMetPro, AlaProMet, ProAlaMet
E) AlaMetPro, AlaProMet, ProAlaMet, MetProAla
سؤال
Which of the following is a type of nucleic acid?

A) RNA
B) amino acid
C) dipeptide
D) carbohydrate
E) lipid
سؤال
Which of the following statements is TRUE?

A) A nucleotide is composed of a sugar, a base, and a sulfate group.
B) A codon is a sequence of three bases that codes for a single peptide.
C) A gene is a portion of DNA that codes for a single protein.
D) Three bases in a sequence form a chromosome, and a set of chromosomes builds up DNA.
E) Two helices that form one DNA molecule are held together by peptide bonds.
سؤال
What is the appropriate name for the strongest intermolecular force holding together two strands of DNA to form a double helix?

A) hydrogen bonds
B) London dispersion forces
C) dipole-dipole bonds
D) ionic bonds
E) covalent bonds
سؤال
Which of the following shows all of the tripeptides that can be formed from one molecule each of lysine (Lys), threonine (Thr), and histidine (His)?

A) LysThrHis
B) LysThrHis, LysHisThr, HisThrLys, HisLysThr, ThrLysHis, ThrHisLys
C) LysThrHis, LysHisThr, HisLysThr, ThrHisLys
D) LysThrHis, LysHisThr, HisLysThr
E) LysThrHis and LysHisThr
سؤال
Which of the following is an example of a secondary protein structure?

A) dipeptide
B) triglyceride
C) β-glycosidic linkage
D) β-pleated sheet
E) fatty acid
سؤال
How many chromosomes are in the nuclei of human cells?

A) 42
B) 44
C) 46
D) 48
E) 52
سؤال
The following is part of a DNA sequence. What is its complementary sequence? AGTTCGAGCCT

A) AGTTCGAGCCT
B) TCCGAGCTTGA
C) CAGTCCA
D) AGGCTCGAACT
E) TCAAGCTCGGA
سؤال
Which of the following describes a primary protein structure?

A) protein structure maintained by disulfide linkages
B) amino acid sequence maintained by peptide bonds
C) protein chains maintained by interactions of peptide backbones
D) arrangement of multiple protein subunits
E) protein structure maintained through multiple hydrogen bonds
سؤال
Which of the following link together into amino acid units?

A) glycosidic linkages
B) disulfide linkages
C) peptide bonds
D) hydrogen bonds
E) ester linkages
سؤال
Which of the following has a tertiary protein structure?

A) amino acid
B) fibrous protein
C) nucleotide
D) fatty acid
E) globular protein
سؤال
Which one of the following amino acids contains a hydrophobic side chain?

A) valine
B) histidine
C) glutamine
D) glutamic acid
سؤال
Why does the melting point of fatty acids decrease with the number of double bonds present?
سؤال
How do cis- and trans-fats differ?
سؤال
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine <div style=padding-top: 35px>

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
سؤال
What is the difference between an a-glycosidic linkage and a b-glycosidic linkage? What implication does this have for the strength of the intermolecular forces between molecules?
سؤال
In the sequence Arg-Pro-Leu-Gln, which amino acid contains the C-terminal group?

A) proline
B) leucine
C) glutamine
D) arginine
سؤال
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine <div style=padding-top: 35px>

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
سؤال
Why are lipids well-suited as structural components of cell membranes?
سؤال
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine <div style=padding-top: 35px>

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
سؤال
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine <div style=padding-top: 35px>

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
سؤال
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine <div style=padding-top: 35px>

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
سؤال
What is a codon?
سؤال
In the sequence Glu-Pro-Ile-Leu, which amino acid contains the N-terminal group?

A) proline
B) leucine
C) isoleucine
D) glutamic acid
سؤال
Which one of the following amino acids contains a polar side chain?

A) alanine
B) glycine
C) threonine
D) valine
سؤال
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine <div style=padding-top: 35px>

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
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ملء الشاشة (f)
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Deck 22: Biochemistry
1
Choose the saturated triglyceride from the compounds below.

A) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
B) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
C) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
D) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
E) <strong>Choose the saturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
2
Which of the following is an example of an aldohexose?

A) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)
B) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)
C) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)
D) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)
E) <strong>Which of the following is an example of an aldohexose?</strong> A)   B)   C)   D)   E)
3
Identify the polysaccharide.

A) glucose
B) starch
C) cholesterol
D) fructose
E) sucrose
starch
4
What type of lipid is the following compound? <strong>What type of lipid is the following compound?  </strong> A) steroid B) phospholipid C) glycolipid D) fatty acid E) triglyceride

A) steroid
B) phospholipid
C) glycolipid
D) fatty acid
E) triglyceride
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5
Choose the polyunsaturated triglyceride from the compounds below.

A) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
B) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
C) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
D) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
E) <strong>Choose the polyunsaturated triglyceride from the compounds below.</strong> A)   B)   C)   D)   E)
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6
What type of lipid is the following compound? <strong>What type of lipid is the following compound?  </strong> A) steroid B) phospholipid C) glycolipid D) fatty acid E) triglyceride

A) steroid
B) phospholipid
C) glycolipid
D) fatty acid
E) triglyceride
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7
What type of lipid is the following compound? <strong>What type of lipid is the following compound?  </strong> A) steroid B) phospholipid C) glycolipid D) fatty acid E) triglyceride

A) steroid
B) phospholipid
C) glycolipid
D) fatty acid
E) triglyceride
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8
Identify the disaccharide.

A) glucose
B) cholesterol
C) fructose
D) cellulose
E) sucrose
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9
Choose the monosaccharide from the compounds below.

A) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
B) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
C) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
D) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
E) <strong>Choose the monosaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
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10
Identify glucose.

A) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)
B) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)
C) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)
D) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)
E) <strong>Identify glucose.</strong> A)   B)   C)   D)   E)
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11
Monosaccharide units are bonded together to form polysaccharides by which of the following?

A) peptide bonds
B) glycosidic linkages
C) disulfide linkages
D) hydrogen bonds
E) ester linkages
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12
Which of the following is an example of a ketopentose?

A) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)
B) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)
C) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)
D) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)
E) <strong>Which of the following is an example of a ketopentose?</strong> A)   B)   C)   D)   E)
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13
Which of the following fatty acids is most likely to be a liquid at room temperature?

A) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)
B) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)
C) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)
D) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)
E) <strong>Which of the following fatty acids is most likely to be a liquid at room temperature?</strong> A)   B)   C)   D)   E)
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14
What type of lipid is the following compound? <strong>What type of lipid is the following compound?  </strong> A) steroid B) phospholipid C) glycolipid D) fatty acid E) triglyceride

A) steroid
B) phospholipid
C) glycolipid
D) fatty acid
E) triglyceride
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15
Choose the polyunsaturated fatty acid from the compounds below.

A) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
B) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
C) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
D) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
E) <strong>Choose the polyunsaturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
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16
Choose the saturated fatty acid from the compounds below.

A) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
B) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
C) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
D) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
E) <strong>Choose the saturated fatty acid from the compounds below.</strong> A)   B)   C)   D)   E)
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17
Which of the following fatty acids is most likely to be a solid at room temperature?

A) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)
B) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)
C) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)
D) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)
E) <strong>Which of the following fatty acids is most likely to be a solid at room temperature?</strong> A)   B)   C)   D)   E)
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18
Which of the following is an example of an aldopentose?

A) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)
B) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)
C) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)
D) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)
E) <strong>Which of the following is an example of an aldopentose?</strong> A)   B)   C)   D)   E)
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19
Choose the disaccharide from the compounds below.

A) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
B) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
C) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
D) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
E) <strong>Choose the disaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
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20
Which of the following form between glycerol and fatty acids to form triglycerides?

A) hydrogen bonds
B) disulfide linkages
C) peptide bonds
D) glycosidic linkages
E) ester linkages
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21
Which of the following hold two strands of DNA in an a-helix?

A) ester linkages
B) disulfide linkages
C) peptide bonds
D) hydrogen bonds
E) glycosidic linkages
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22
The following is part of a DNA sequence. What is its complementary sequence? TCGTAAGCTTGCG

A) AGCATTCGAACGC
B) CGCAAGCTTACGA
C) TCATTCAC
D) GCGTTCGAATGCT
E) TCGTAAGCTTGCG
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23
Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)?

A) GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly
B) GlyValLeu, GlyLeuVal, LeuGlyVal
C) ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal
D) ValGlyLeu and GlyLeuVal
E) GlyValLeu
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24
How many of the carbons in the following structure are chiral? <strong>How many of the carbons in the following structure are chiral?  </strong> A) 0 B) 1 C) 2 D) 3 E) 4 or more

A) 0
B) 1
C) 2
D) 3
E) 4 or more
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25
Which of the following statements is TRUE?

A) Cytosine and Thymine are a complementary base pair that forms three hydrogen bonds.
B) Thymine and Guanine are a complementary base pair that forms three hydrogen bonds.
C) Cytosine and Guanine are a complementary base pair that forms two hydrogen bonds.
D) Thymine and Adenine are a complementary base pair that forms two hydrogen bonds.
E) Thymine and Guanine are a complementary base pair that forms two hydrogen bonds.
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26
Which of the following statements is TRUE?

A) Monosaccharides are the building blocks of proteins.
B) Nucleotides are the building blocks of polysaccharides.
C) Fatty acids are responsible for DNA replication.
D) Amino acids are the building blocks of proteins.
E) All carbohydrates are water soluble and digestible by humans.
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27
Which one of the following amino acids does not contain a basic side chain?

A) arginine
B) histidine
C) lysine
D) threonine
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28
Which of the following is an example of a secondary protein structure?

A) amino acid
B) ester bond
C) lipid
D) α-glycosidic linkage
E) α-helix
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29
Choose the polysaccharide from the compounds below.

A) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
B) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
C) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
D) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
E) <strong>Choose the polysaccharide from the compounds below.</strong> A)   B)   C)   D)   E)
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30
Which of the following shows all of the tripeptides that can be formed from one molecule each of alanine (Ala), methionine (Met), and proline (Pro)?

A) AlaMetPro
B) AlaMetPro and AlaProMet
C) AlaMetPro, AlaProMet, ProMetAla, ProAlaMet, MetProAla, MetAlaPro
D) AlaMetPro, AlaProMet, ProAlaMet
E) AlaMetPro, AlaProMet, ProAlaMet, MetProAla
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31
Which of the following is a type of nucleic acid?

A) RNA
B) amino acid
C) dipeptide
D) carbohydrate
E) lipid
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32
Which of the following statements is TRUE?

A) A nucleotide is composed of a sugar, a base, and a sulfate group.
B) A codon is a sequence of three bases that codes for a single peptide.
C) A gene is a portion of DNA that codes for a single protein.
D) Three bases in a sequence form a chromosome, and a set of chromosomes builds up DNA.
E) Two helices that form one DNA molecule are held together by peptide bonds.
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33
What is the appropriate name for the strongest intermolecular force holding together two strands of DNA to form a double helix?

A) hydrogen bonds
B) London dispersion forces
C) dipole-dipole bonds
D) ionic bonds
E) covalent bonds
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34
Which of the following shows all of the tripeptides that can be formed from one molecule each of lysine (Lys), threonine (Thr), and histidine (His)?

A) LysThrHis
B) LysThrHis, LysHisThr, HisThrLys, HisLysThr, ThrLysHis, ThrHisLys
C) LysThrHis, LysHisThr, HisLysThr, ThrHisLys
D) LysThrHis, LysHisThr, HisLysThr
E) LysThrHis and LysHisThr
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35
Which of the following is an example of a secondary protein structure?

A) dipeptide
B) triglyceride
C) β-glycosidic linkage
D) β-pleated sheet
E) fatty acid
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36
How many chromosomes are in the nuclei of human cells?

A) 42
B) 44
C) 46
D) 48
E) 52
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37
The following is part of a DNA sequence. What is its complementary sequence? AGTTCGAGCCT

A) AGTTCGAGCCT
B) TCCGAGCTTGA
C) CAGTCCA
D) AGGCTCGAACT
E) TCAAGCTCGGA
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38
Which of the following describes a primary protein structure?

A) protein structure maintained by disulfide linkages
B) amino acid sequence maintained by peptide bonds
C) protein chains maintained by interactions of peptide backbones
D) arrangement of multiple protein subunits
E) protein structure maintained through multiple hydrogen bonds
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39
Which of the following link together into amino acid units?

A) glycosidic linkages
B) disulfide linkages
C) peptide bonds
D) hydrogen bonds
E) ester linkages
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40
Which of the following has a tertiary protein structure?

A) amino acid
B) fibrous protein
C) nucleotide
D) fatty acid
E) globular protein
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41
Which one of the following amino acids contains a hydrophobic side chain?

A) valine
B) histidine
C) glutamine
D) glutamic acid
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42
Why does the melting point of fatty acids decrease with the number of double bonds present?
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43
How do cis- and trans-fats differ?
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44
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
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45
What is the difference between an a-glycosidic linkage and a b-glycosidic linkage? What implication does this have for the strength of the intermolecular forces between molecules?
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46
In the sequence Arg-Pro-Leu-Gln, which amino acid contains the C-terminal group?

A) proline
B) leucine
C) glutamine
D) arginine
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47
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
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48
Why are lipids well-suited as structural components of cell membranes?
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49
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
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50
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
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51
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
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52
What is a codon?
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53
In the sequence Glu-Pro-Ile-Leu, which amino acid contains the N-terminal group?

A) proline
B) leucine
C) isoleucine
D) glutamic acid
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54
Which one of the following amino acids contains a polar side chain?

A) alanine
B) glycine
C) threonine
D) valine
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55
Match the following.
<strong>Match the following.  </strong> A)aspartic acid B)lysine C)glycine D)phenylalanine E)serine F)alanine

A)aspartic acid
B)lysine
C)glycine
D)phenylalanine
E)serine
F)alanine
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