Exam 17: Genomes

Which of the following would not be required for determining the sequence of a 400 bp DNA fragment by the high-throughput sequencing method?

A team of biologists is working on identifying the proteome and metabolome of Daphnia, a small crustacean.Why are these tasks more complex than defining its genome?

An attack by a leaf-eating insect is most likely to change the _______ of a plant and is least likely to change the _______.

The genomes of most animals contain multiple identical copies of genes for rRNAs

Genomics researchers can construct longer sequence fragments from shorter ones because some of the shorter fragments have _______ sequences.

A bacterial genome has been sequenced.Which would be the least likely finding?

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 _______.

A study compares changes in the proteins produced in the reproductive tracts of female fruit flies after they have been inseminated by males of their same species and males of other species.In which field would such a study most likely be undertaken?

Unlike LINEs, DNA transposons

Studies have found that a bacterium of the genus Buchnera has been living as a parasite of aphids for many millions of years.This bacterium lacks certain genes that are involved in the production of the cell wall found in other related bacteria.The field of biology in which such studies were carried out is called

What is the major reason Arabidopsis thaliana is a widely used research organism among plant biologists?

The sequence ATGCT is repeated between 50 and 75 times (depending on the individual chromosome) in a row on a chromosome.It is not transcribed.This is an example of

Short tandem repeats, commonly used in DNA fingerprinting, are an example of

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

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.

Transposable elements in prokaryotes

Refer to the hypothetical data set comparing the gene content of Salmonella and Shigella, of which all strains are pathogenic, and the pathogenic and nonpathogenic strains of E.coli.(Note: "x" denotes presence of the gene.) Which is the most likely conclusion about gene A?

The main distinction between LINEs and SINEs is that _______ sequences are translated.

Individuals are genotyped AA, AG, or GG at an SNP that affects several aspects of metabolism.They are also given two drugs.Refer to the table showing the amounts of the drugs (in percent of optimal dose) remaining in individuals after 12 hours. Individuals of genotype GG would on average require a _______ dose of drug 1 and a larger dose of drug 2 than individuals of genotype AA.

Which technique or tool listed below is best suited to determining the minimal genome of a free-living bacterium?