AP EAMCET · Chemistry · Biomolecules
Given below are two statements
Assertion (A): Hydrolysis of DNA does not form equal number of \(A\) and \(T ; G\) and \(C\)
Reason (R): In DNA adenine forms hydrogen bonds with thymine and cytosine forms hydrogen bonds with guanine
The correct answer is
- A Both \(\mathrm{A}\) and \(\mathrm{R}\) are correct and \(\mathrm{R}\) is the correct explanation of \(\mathrm{A}\)
- B Both \(\mathrm{A}\) and \(\mathrm{R}\) are correct but \(\mathrm{R}\) is not the correct explanation of \(\dot{A}\)
- C \(\mathrm{A}\) is correct but \(\mathrm{R}\) is incorrect
- D \(\mathrm{A}\) is incorrect but \(\mathrm{R}\) is correct
Answer & Solution
Correct Answer
(D) \(\mathrm{A}\) is incorrect but \(\mathrm{R}\) is correct
Step-by-step Solution
Detailed explanation
The pairing of the two helices of DNA is such that \(A\) pairs with \(T\) and \(G\) pairs with \(C\), through hydrogen bonding. Thus, number of \(\mathrm{A}=\) number of \(\mathrm{T}\) number of \(\mathrm{G}=\) number of \(\mathrm{C}\) Therefore, statement in Assertion (A) is…
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