What Mechanism Do Most Retroviruses, but Not HIV, Use to Get

question 13

Multiple Choice

What mechanism do most retroviruses, but not HIV, use to get their genome into the host cell nucleus?

• A) They actively inject their genome into the nucleus through the nuclear pore complex.
• B) These viruses do not need to enter the nucleus to replicate.
• C) They attach their genome to importin proteins which carry them into the nucleus.
• D) They wait until the cell enters mitosis and the nuclear envelope breaks down.
• E) The genome is bound to viral proteins that contain nuclear localization signals that move the genome through the nuclear pore complex.

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Definitions:

Lid Lag

A condition where the upper eyelid moves irregularly or is slow to move, often noticed when the eye moves downward.

Trigeminal Nerve (CN V)

The fifth cranial nerve responsible for sensory information from the face and motor functions for chewing.

Trochlear Nerve (CN IV)

The fourth cranial nerve, responsible for the movement of the eyeball, particularly for downward and inward motions.

Receptive Layer

A term that might refer to a layer within a biological or synthetic system that is capable of receiving stimuli or signals.