A Mutation in the Gene for CD4 Leads to the Production

question 95

Multiple Choice

A mutation in the gene for CD4 leads to the production of nonfunctioning CD4 proteins in the plasma membrane of a helper T cell.What role would the helper T cell be unable to perform?

• A)response to T-independent antigens
• B)lysing tumor cells
• C)stimulating a cytotoxic T cell
• D)interacting with a class I MHC-antigen complex
• E)interacting with a class II MHC-antigen complex

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Definitions:

Multirange Voltmeter

An instrument designed to measure voltage levels in multiple ranges, allowing for flexibility and accuracy across different electrical applications.

Wire-Wound

Describes a type of resistor or inductor made by winding a wire, usually made of a resistive material, around a core.

Ceramic Core

A core material made from ceramics, typically used in casting processes to create intricate metal parts with high precision.

Resistive Wire

A type of wire that has significant resistance to electric current, often used in heating elements or resistors.