Assertion :- DNA replication is energetically a very expensive process.
Reason : Unwinding of DNA strands is an active process, while pairing of bbases is a passive process.
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
B. If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.
C. If Assertion is True but the Reason is Flase.
D. If both Assertion & Reason are false.