Q. How many hydrogen bonds are required to form bonding between adenine and thymine?

A
1
B
2
C
3
D
Not fixed
Solution:
  • Base pairing between adenine and thymine can be found in DNA only.
  • There are two hydrogen bonds holding the two nitrogenous bases together.
  • One of the hydrogen bonds is formed between one of the Hydrogen atoms of the amino group at C-6 of adenine and the Oxygen atom of the keto group at C-4 of thymine.
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