The drug AZT (3'-azido-3'-deoxythymidine) inhibits DNA polymerization by:
A) cross_linking DNA strands.
B) intercalating into DNA.
C) reacting with thymidylate synthase and inactivating it.
D) competitively binding to dihydrofolate reductase in place of dihydrofolate.
E) terminating DNA chains.
Correct Answer:
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