Question

Assertion :- Taylor and colleages in $1958$ used $CsCl$ density gradient centrifugation technique to prove semiconservative DNA replication.
Reason :- They use ${}^{15}N$ heavy nitrogen which is not a radioactive isotope

• A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
• B. f both Assertion & Reason are True but Reason is not a correct explanation of the Assertion
• C. If Assertion is True but the Reason is False
• D. If both Assertion & Reason are false

Answer 1

Answer: (D)

Correct answer is (d) If both Assertion & Reason are false