Which of the following statements about the CCR5 and the CXCR4 receptors used by HIV to recognize and enter macrophages is false?
A)The smallpox virus and HIV share the co-receptor CCR5.
B)Cytokines inhibit HIV infection by binding to CCR5 and CXCR4.
C)Only HIV with mutated gp120 glycoproteins can bind to CXCR4 receptors on T cells.
D)Individuals with few CXCR4 receptors should be more resistant to HIV infection.
E)Individuals with a genetic resistance to smallpox may be more susceptibility to HIV infection.

Question

Quizplus · Accepted Answer

Individuals with a genetic resistance to smallpox, often due to a mutation in the CCR5 receptor, are actually more resistant to HIV infection, not more susceptible.

Which of the Following Statements About the CCR5 and the CXCR4