After Endocytosing Its BCR Cognate Antigen, B Cells

question 3

Multiple Choice

After endocytosing its BCR cognate antigen, B cells

• A)upregulate CD80
• B)upregulate CD86
• C)upregulate CD40
• D)All of the answers are correct.
• E)None of the answers are correct.

---

Definitions:

Proteins

Large, complex molecules essential for the structure, function, and regulation of the body's tissues and organs.

Lipids

A diverse group of naturally occurring molecules that include fats, waxes, and oil, serving as energy storage and structural components of cell membranes.

Carbohydrates

Organic compounds made of carbon, hydrogen, and oxygen, serving as a major energy source for the body.

Denature Enzymes

The process by which enzymes lose their functional shape and, therefore, their activity, often due to changes in temperature or pH.