Question: HIV reverse transcriptase, a critical target in modern antiretroviral chemotherapy, performs which critical function for the virus:
A. Cleaves polyprotein precursor leading to functional assembly of viral core
B. Cleaves sialic acid residue from glycoprotein permitting attachment and entry into cell
C. Transcribes RNA into DNA
D. Activates 2',5' oligoadenylate synthetase