Question 1

The presence of _______ proteins that attach to the respiratory tract is a key determinant of whether Haemophilus influenzae strains will be infectious.

Accepted Answer

The answer of The presence of _______ proteins that attach...

Question 2

A biologist is interested in the genomics of organisms that undergo complex transitions during development.She wants an animal with a genome that is smaller than 500 million nucleotides._______ would be a useful model organism.

Accepted Answer

The answer of A biologist is interested in the genomics...

Question 3

Biologists investigating the genetic basis of colon cancer susceptibility are using linked SNPs that are usually inherited as a unit.Such entities are known as _______.

Accepted Answer

The answer of Biologists investigating the genetic basis of colon...

Question 4

Refer to the figure showing high-throughput sequencing.  At which step does PCR take place?

Accepted Answer

The answer of Refer to the figure showing high-throughput sequencing....

Question 5

A highly repetitive sequence is found in a eukaryotic genome.Its repeat length is short, and the repeats are found next to one another.It is also not transcribed.This is most likely composed of _______.

Accepted Answer

The answer of A highly repetitive sequence is found in...

Question 6

Refer to the figure showing high-throughput sequencing.  What is the purpose of the fluorescent tag added to the synthetic oligonucleotides in step 5?

Accepted Answer

The answer of Refer to the figure showing high-throughput sequencing....

Question 7

An organism has a genome that is 2.7 million bp long, with only 12 percent noncoding sequence.It lacks introns, except in its tRNA and rRNA.This organism is most likely a prokaryotic organism and is a(n) _______.

Accepted Answer

The answer of An organism has a genome that is...

Question 8

The genes that encode estrogen receptors and those that encode adrenal steroid receptors evolved from an ancestral gene hundreds of millions of years ago.These genes are an example of a gene _______.

Accepted Answer

The answer of The genes that encode estrogen receptors and...

Question 9

Highly repetitive sequences are often found in the transcriptionally inactive and densely packed region of a chromosome called _______.

Accepted Answer

The answer of Highly repetitive sequences are often found in...

Question 10

Caenorhabditis elegans is a roundworm, or nematode, that scientists have used as a model eukaryotic organism in the study of genomics and developmental biology in multicellular organisms.The _______ of its body makes it useful to study cell movement.

Accepted Answer

The answer of Caenorhabditis elegans is a roundworm, or nematode,...

Question 11

Genomics has revealed that the bacterium that causes tuberculosis has more than 250 genes that metabolize lipids, many more than most bacteria have.What does this finding suggest about the bacterium and about medicinal approaches to this disease?

Accepted Answer

The answer of Genomics has revealed that the bacterium that...

Question 12

Refer to the figure showing high-throughput sequencing.  At which step is DNA synthesis halted by the incorporation of a fluorescently tagged nucleoside triphosphate?

Accepted Answer

The answer of Refer to the figure showing high-throughput sequencing....

Question 13

A gene involved in fatty acid metabolism duplicates.Via mutation and selection, these genes diverge in function.There is subsequent duplication and divergence.The resulting genes are all part of the same _______.

Accepted Answer

The answer of A gene involved in fatty acid metabolism...

Question 14

Nonfunctional copies of genes, known as _______, arise when mutations knock out the function of a gene.

Accepted Answer

The answer of Nonfunctional copies of genes, known as _______,...

Question 15

Refer to the figure showing high-throughput sequencing.  When are the DNA segments first separated by length?

Accepted Answer

The answer of Refer to the figure showing high-throughput sequencing....

Question 16

The transposable element bandit, which was discovered in the dog hookworm, appears able to move to the hookworm's mammalian hosts.Because it does not use an RNA intermediate, the bandit element has been classified as a(n) _______.

Accepted Answer

The answer of The transposable element bandit, which was discovered...

Question 17

Biologists have DNA from a prehistoric species of human.To make inferences about the ability of this species to speak, the sequence from the _______ gene would be most useful.

Accepted Answer

The answer of Biologists have DNA from a prehistoric species...

Question 18

Individuals whose genotype is GG at SNP 4 metabolize a drug faster than those with genotype AA at the SNP, with heterozygotes in the middle.Individuals with TT at SNP 6 metabolize the drug slower than those with AA at that SNP, with heterozygotes in the middle.Accordingly, individuals with AA at SNP 4 and _______ at SNP 6 would be expected to require the smallest doses of the drug.

Accepted Answer

The answer of Individuals whose genotype is GG at SNP...

Question 19

Studies investigating the genetic diversity of organisms within a sample of marsh soil, rather than the genomes of individual organisms, would be considered part of the burgeoning field of _______.

Accepted Answer

The answer of Studies investigating the genetic diversity of organisms...

Question 20

The success or failure of current treatments for hepatitis C is determined to a large extent by genetic variants of the IL28B gene.This important finding is an example of the discoveries coming from the field of _______.

Accepted Answer

The answer of The success or failure of current treatments...

Quiz 17: Genomes

The presence of _______ proteins that attach to the respiratory tract is a key determinant of whether Haemophilus influenzae strains will be infectious.

A biologist is interested in the genomics of organisms that undergo complex transitions during development.She wants an animal with a genome that is smaller than 500 million nucleotides._______ would be a useful model organism.

Biologists investigating the genetic basis of colon cancer susceptibility are using linked SNPs that are usually inherited as a unit.Such entities are known as _______.

Refer to the figure showing high-throughput sequencing. At which step does PCR take place?

A highly repetitive sequence is found in a eukaryotic genome.Its repeat length is short, and the repeats are found next to one another.It is also not transcribed.This is most likely composed of _______.

Refer to the figure showing high-throughput sequencing. What is the purpose of the fluorescent tag added to the synthetic oligonucleotides in step 5?

An organism has a genome that is 2.7 million bp long, with only 12 percent noncoding sequence.It lacks introns, except in its tRNA and rRNA.This organism is most likely a prokaryotic organism and is a(n) _______.

The genes that encode estrogen receptors and those that encode adrenal steroid receptors evolved from an ancestral gene hundreds of millions of years ago.These genes are an example of a gene _______.

Highly repetitive sequences are often found in the transcriptionally inactive and densely packed region of a chromosome called _______.

Caenorhabditis elegans is a roundworm, or nematode, that scientists have used as a model eukaryotic organism in the study of genomics and developmental biology in multicellular organisms.The _______ of its body makes it useful to study cell movement.

Genomics has revealed that the bacterium that causes tuberculosis has more than 250 genes that metabolize lipids, many more than most bacteria have.What does this finding suggest about the bacterium and about medicinal approaches to this disease?

Refer to the figure showing high-throughput sequencing. At which step is DNA synthesis halted by the incorporation of a fluorescently tagged nucleoside triphosphate?

A gene involved in fatty acid metabolism duplicates.Via mutation and selection, these genes diverge in function.There is subsequent duplication and divergence.The resulting genes are all part of the same _______.

Nonfunctional copies of genes, known as _______, arise when mutations knock out the function of a gene.

Refer to the figure showing high-throughput sequencing. When are the DNA segments first separated by length?

The transposable element bandit, which was discovered in the dog hookworm, appears able to move to the hookworm's mammalian hosts.Because it does not use an RNA intermediate, the bandit element has been classified as a(n) _______.

Biologists have DNA from a prehistoric species of human.To make inferences about the ability of this species to speak, the sequence from the _______ gene would be most useful.

Studies investigating the genetic diversity of organisms within a sample of marsh soil, rather than the genomes of individual organisms, would be considered part of the burgeoning field of _______.

The success or failure of current treatments for hepatitis C is determined to a large extent by genetic variants of the IL28B gene.This important finding is an example of the discoveries coming from the field of _______.