Choose the INCORRECT statement.
A) Amino acids can exist as dipolar ions.
B) Dipolar ions are also called zwitterion.
C) Isoelectric point is the pH at which an amino acid becomes a cation.
D) Two amino acids joined by the elimination of a water molecule is a dipeptide.
E) A large polypeptide of more than 10,000 u is called a protein.
Correct Answer:
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Q53: Choose the INCORRECT statement.
A)Peptides are amino acids
Q54: Glycine is a(n):
A)nucleic acid
B)optically active compound
C)carbohydrate
D)amino acid
E)lipid
Q55: Which of the following is an aromatic
Q56: Which of the following are unimportant for
Q57: Amino acids are joined into proteins by:
A)a
Q59: Choose the INCORRECT statement.
A)Proteins make up the
Q60: The R group CH2C6H5 belongs to which
Q61: Many insecticides contain compounds which inhibit the
Q62: Which of the following combinations make up
Q63: Which of the following represents an INCORRECT
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