What Is Currently the BEST Explanation for What Determines Whether

question 1

Multiple Choice

What is currently the BEST explanation for what determines whether a T cell develops into a CD8⁺ T cell or a CD4⁺ T cell?

• A)CD4/TCR coengagement suppresses CD8 expression, and CD8/TCR coengagement suppresses CD4 expression.
• B)T cells randomly downregulate CD4 or CD8, and only cells that still bind the appropriate MHC will get a strong enough signal to survive.
• C)CD4 or CD8 expression is determined by the strength and duration of the TCR/MHC interaction.
• D)CD4 or CD8 expression is predestined in the bone marrow.
• E)Only ?? T cells express CD8.

---

Definitions:

Sense Of Self

Describes an individual's consciousness of their own identity, including their thoughts, experiences, and abilities that differentiate them from others.

Well-Being

A state characterized by health, happiness, and prosperity.

Employer Listings

Directories or databases that provide information about employers, often used for job searching or recruitment purposes.

Education Requirements

The minimum level of education necessary to qualify for a particular job, program, or task.