Help with Transposable and Repeated Elements

Practice Questions

GRE Subject Test: Biochemistry, Cell, and Molecular Biology › Help with Transposable and Repeated Elements

Questions
9
1

What differentiates a LTR retrotransposon and a retrovirus?

2

Barbara McClintock initially discovered transposons in her work on corn at Cold Spring Harbor Lab, which she called the Ac / Ds system. What were dissociators (Ds)?

3

How do non-LTR retrotransposons insert into the genome?

4

How do transposons rapidly propogate through and between species?

5

What makes an LTR retrotransposon unique among other transposons?

6

Which of the following is not true about transposable elements?

7

Transposable elements, or transposons, are separated into two classes. Which of these categories of life have class I transposons in their genomes?

I. Bacteria

II. Yeast

III. Eukaryotes

8

Transposable elements can be significant factors in causing newly resistant bacterial strains. How do transposons cause resistance to develop?

9

The hybrid dysgenesis phenomenon was observed in Drosophila flies. It was determined that this was caused by a transposon no longer under control in wild type - lab strain crosses. What are transposons commonly controlled by in their hosts?

Return to subject