How Do Transposons and Retrotransposons Differ in How They Move

question 29

Multiple Choice

How do transposons and retrotransposons differ in how they move around in a genome?

• A) Transposons move by viruses and retrotransposons move by plasmids.
• B) Transposons move by means of a DNA intermediate and retrotransposons move by means of an RNA intermediate.
• C) Transposons move by means of a RNA intermediate and retrotransposons move by means of an DNA intermediate.
• D) Transposons move by viruses and retrotransposons move by bacteria.

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Definitions:

Phosphorylation

The introduction of a phosphate group into an organic molecule. See kinases.

ATP

Adenosine triphosphate, a high-energy molecule used for energy storage and transfer within cells.

Electron Transport Chain

A series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions, coupled with the transfer of protons across a membrane, generating ATP.

Proton Gradient

A gradient of hydrogen ions (protons) across a membrane, used as a source of energy for processes like ATP synthesis.