The Major Histocompatibility Complex

question 3

Multiple Choice

The major histocompatibility complex

• A) Activates B cells to produce specific antibodies
• B) Differentiates into cytotoxic T cells upon re-exposure to a known pathogen
• C) Helps T cells recognize antigens as nonself
• D) Recognizes and kills viral cells by secreting perforin
• E) Secretes interferon on contact with a virus

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Definitions:

Tears

A salty liquid produced by glands in the eye, serving functions in lubrication, protection, and reducing bacterial contamination.

Depolarizes

The process by which a cell’s electrical charge becomes less negative, often initiating a nerve impulse or muscle contraction.

Neurotransmitter

Chemical messengers that transmit signals across a synapse from one neuron to another.

Taste Cell

A type of cell found in the taste buds that is responsible for sensing taste stimuli.