In Which of the Following Ways Does the Developmental Pathway

question 9

Multiple Choice

In which of the following ways does the developmental pathway of α:β T cells differ from that of B cells? (Select all that apply.)

• A)Their antigen receptors are derived from gene rearrangement processes.
• B)When the first chain of the antigen receptor is produced it combines with a surrogate chain.
• C)Cells bearing self-reactive antigen receptors undergo apoptosis.
• D)MHC molecules are required to facilitate progression through the developmental pathway.
• E)T cells do not rearrange their antigen-receptor genes in the bone marrow.

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Definitions:

Metabolic Rate

The rate at which the body expends energy or burns calories, and it influences how quickly a person can gain or lose weight.

Stimulants

Substances that increase alertness, attention, and energy, by enhancing the activity of certain neurotransmitters in the brain.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body.

Sleep Disorders

Conditions that impair regular sleep patterns, leading to distress and affecting overall health and daytime functioning.