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Question

Adenine pairs with thymine through:
  1. two hydrogen bonds
  2. one hydrogen bond
  3. four hydrogen bonds
  4. three hydrogen bonds

A
one hydrogen bond
B
two hydrogen bonds
C
three hydrogen bonds
D
four hydrogen bonds
Solution
Verified by Toppr

Adenine always pairs with thymine through two hydrogen bonds in DNA. Similarly, adenine pairs with uracil through two hydrogen bonds in RNA and guanine always pairs with cytosine through three hydrogen bonds in both the nucleic acids.

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