How Does HIV Know Which Cells to Infect

question 25

Multiple Choice

How does HIV know which cells to infect?

• A) It can infect any cell it comes in contact with.
• B) It can only infect cells on surfaces of the body where the temperature is lower.
• C) It can only infect cells that are actively growing and dividing.
• D) It can infect cells with particular surface receptors.
• E) It only infects cells that line the reproductive tract.

Explore the dual-coding hypothesis and its application in memory.

Grasp the concept and efficacy of different mnemonic devices in enhancing memory.

Understand the relationship between mental maps and spatial/geographic perception.

Identify the brain regions involved in mental imagery and auditory imagination.

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Definitions:

Unconditioned Stimulus

A stimulus that naturally triggers a response without the need for prior learning.

Unconditioned Response

An instinctive response to a stimulus that happens automatically, without the need for prior learning or conditioning.

Reflexes

are involuntary and nearly instantaneous movements in response to stimuli, which demonstrate the functioning of the nervous system.

Fixed-ratio Schedule

A reinforcement schedule in operant conditioning where a response is rewarded only after a specified number of responses, promoting a high and steady response rate.