Biomolecules Question 52

Question: The base pairs of DNA are correctly shown as

[Bihar MDAT 1995; RPMT 1997; BHU 1998, 99, 2004; BVP 2000; MHCET 2003]

Options:

A) A - T and C = G

B) A = T and C = G

C) A = T and C - G

D) A - T and C - G

Show Answer

Answer:

Correct Answer: C

Solution:

The correct option is C A = T and C ≔G In DNA, purines pair with pyrimidines. Adenine pairs with Thymine using two Hydrogen bonds.

Guanine pairs with Cytosine with the help of three Hydrogen bond. So, the correct answer is ‘A = T and C≔ G’. G’



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