Why Is Reverse Transcriptase Essential for a Retrovirus to Successfully

question 118

Multiple Choice

Why is reverse transcriptase essential for a retrovirus to successfully infect a host?

• A) It creates a complementary cDNA copy of the viral RNA genome.
• B) It creates the mRNA necessary for expression of viral genes.
• C) It is responsible for integrating the viral genome into the host genome.
• D) It is responsible for the evasion of host defense mechanisms.
• E) It creates a complementary cDNA copy of host genes to block their translation.

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Definitions:

Unconditioned Response

A natural, automatic reaction to a stimulus that occurs without prior learning or conditioning.

Conditioned Response

A learned reaction to a previously neutral stimulus that has become associated with an unconditioned stimulus through conditioning.

Operant Behaviors

Actions or behaviors that are influenced by their consequences, such as rewards or punishments.

Respondent Behaviors

Actions that are automatic responses to stimuli, typically reflexive and not under conscious control.