Gene Regulation and Genomics

Practice Questions

GRE Subject Test: Biochemistry, Cell, and Molecular Biology › Gene Regulation and Genomics

Page 1 of 13
10 of 123
1

What differentiates a LTR retrotransposon and a retrovirus?

2

What differentiates a LTR retrotransposon and a retrovirus?

3

What differentiates a LTR retrotransposon and a retrovirus?

4

Histone acetyltransferases (HATs) transfer acetyl groups from acetyl CoA to lysine residues on histones. What is the purpose of this transfer?

5

Histone acetyltransferases (HATs) transfer acetyl groups from acetyl CoA to lysine residues on histones. What is the purpose of this transfer?

6

Histone acetyltransferases (HATs) transfer acetyl groups from acetyl CoA to lysine residues on histones. What is the purpose of this transfer?

7

Inducible operons are bound by a repressor and turned off under normal conditions. How are these operons turned on?

8

Inducible operons are bound by a repressor and turned off under normal conditions. How are these operons turned on?

9

Inducible operons are bound by a repressor and turned off under normal conditions. How are these operons turned on?

10

Mutations in two or more genes cause cell death, however, a mutation in only one of the genes is not lethal.

Which of the following best describes this phenomenon?

Page 1 of 13
Return to subject