AP EAMCET202315 May 2023Morning ShiftChemistryBiomoleculesActual
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
Options
- ABoth A and R are correct and R is the correct explanation of A
- BBoth A and R are correct but R is not the correct explanation of A
- CA is correct but R is incorrect
- DA is incorrect but R is correct
Correct answer
D. A is incorrect but R is correct
Step-by-step solution
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 A = number of T number of G = number of C Therefore, statement in Assertion (A) is wrong and Reason (R) is correct.