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Which event marks the beginning of DNA replication? A) Formation of replication bubble B) Unwinding of DNA helix C) Formation of replication fork
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Which event marks the beginning of DNA replication?

A) Formation of replication bubble
B) Unwinding of DNA helix
C) Formation of replication fork

User Iorgu
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2 Answers

5 votes

Answer:

B) Unwinding of DNA helix

Step-by-step explanation:

User Vibha Rathi
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1 vote
B is the correct answer. The beginning of DNA replication occurs with the unwinding of the DNA helix by a special enzyme. The two strands that form the helix then create a replication fork. The two strands are then oriented differently, one becoming the 'leading strand' and one the 'lagging strand'.
User Christophe Claude
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