What Is the Effect of the ∆32 Allele of CCR5

question 29

Multiple Choice

What is the effect of the ∆32 allele of CCR5 on HIV binding?

• A) appears on the surface of CD4 T cells, but the HIV virion is unable to infect the host cell
• B) does not appear on the surface of CD4 T cells
• C) appears on the surface of the CD4 T cells and inactivates the virion upon binding
• D) interferes with binding of the virion to the CD4 receptor protein
• E) appears on the surface of the CD4 T cells and causes the virion to lyse upon binding

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