Multiple Choice
The figure below shows the structures involved in attachment of HIV to a host cell. The protein gp120 is represented by the number ________; CCR5 is indicated by ________ and CD4 by ________. 
A) 1; 2; 3
B) 2; 3; 4
C) 3; 1; 2
D) 4; 1; 2
E) 5; 3; 4
Correct Answer:

Verified
Correct Answer:
Verified
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