The Proteins That Enable the HIV Virus to Bind to Cells

question 24

Multiple Choice

The proteins that enable the HIV virus to bind to cells are typically CD4 and CCR5.On what type of cells are these proteins typically observed?

• A) plasma cells
• B) dendritic cells
• C) effector helper T cells
• D) memory helper T cells
• E) both C and D

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Definitions:

Mutations

Changes in the DNA sequence of a cell's genome, which can lead to variations in physical appearance, behavior, or health.

DNA Helix

The double-stranded, spiral structure of DNA that carries genetic information necessary for cell growth, division, and function.

Gene

The basic unit of heredity. Genes are composed of deoxyribonucleic acid (DNA).

Zygote

The initial cell formed when a new organism is conceived, created by the merging of female and male reproductive cells.