Which Molecule on the Surface of Lymphocytes Serves as the Receptor

question 11

Multiple Choice

Which molecule on the surface of lymphocytes serves as the receptor for the human immunodeficiency virus (HIV) ?

• A) CD3
• B) CD4
• C) CD8
• D) CD15
• E) CD20

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Definitions:

Rate of Return

Change in an investment's value within a predetermined interval, indicated as a percent of the investment's initial cost.

Annual Dividend

The total amount of dividend payments made to shareholders over the course of a year, often used as an indicator of a company's financial health.

Rate of Return

The accrual or depletion in value of an investment across a chosen period, quantified as a percentage of the investment’s initial expense.

Constant Dividend

A policy in which a firm aims to pay out a fixed dividend amount to shareholders regularly.