To identify the cell surface protein that HIV uses to enter T cells, researchers used antibodies to block different membrane proteins prior to HIV infection. What was inferred from the experiment?

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HIV uses CD4 protein to gain entry into these cells if an antibody is bound to it.

  

HIV binds to many different surface proteins to gain entry into these cells.

  

HIV can enter the cell only if the membrane is disrupted.

  

HIV uses CD4 protein to gain entry to these cells.

 

asked Dec 29, 2012 in Biology by anonymous
    

1 Answer

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HIV uses CD4 protein to gain entry to these cells.

 

answered Dec 29, 2012 by anonymous

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