Which Viruses Have Single-Stranded RNA That Acts as a Template

question 37

Multiple Choice

Which viruses have single-stranded RNA that acts as a template for DNA synthesis?

• A) lytic phages
• B) proviruses
• C) viroids
• D) bacteriophages
• E) retroviruses

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Definitions:

Crystallins

Water-soluble proteins found in the lens of the eye which are responsible for maintaining lens transparency and refractive properties.

Gene Recruitment

The evolutionary process by which a gene acquires a new function.

Complex Adaptation

A complex adaptation is a suite of coexpressed traits that together experience selection for a common function. Phenotypes are considered complex when they are influenced by many environmental and genetic factors and when multiple components must be expressed together for the trait to function.