T Helper Cells Possess a Glycoprotein Called CD4

question 102

Multiple Choice

T helper cells possess a glycoprotein called CD4. This molecule binds to ________.

• A) MHC class I molecules
• B) MHC class II molecules
• C) MHC-CD8 antigens
• D) MHC-CD28 antigens
• E) Interleukin-1 receptor

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Definitions:

Fixed Ratio

A schedule of reinforcement where a response is rewarded only after a specified number of responses, commonly used in behavior modification.

Discrimination

Unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.

Delayed Reinforcement

A technique in conditioning where a reward or punishment is given some time after the desired or undirected behavior occurs, which may slow the learning process.

Immediate Reinforcement

the prompt delivery of a reward or consequence following a behavior, which strengthens the likelihood of the behavior being repeated.