T-Cell Help of B Cells Will Be Impaired If the T

question 9

Multiple Choice

T-cell help of B cells will be impaired if the T cells lack CD28 because

• A)CD28 is needed to activate class switching by turning on AICD.
• B)CD28 is needed to interact with CD40 on the B cell.
• C)CD28 is needed to signal through the B-cell receptor.
• D)CD28 is needed to signal through the T-cell receptor.
• E)None of the answers are correct.

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Definitions:

Subconscious

The subconscious is a part of the mind that operates below the level of conscious awareness, influencing thoughts, feelings, and behaviors without our direct knowledge.

Nonconscious

Pertaining to processes that occur in the mind without conscious awareness, such as breathing or the beating of the heart.

Deliberate

To think over or consider something carefully and intentionally before making a decision.

Conscious

The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, etc.