Question

It is nonsense to think that DNA has -
(a) 4 types of nitrogenous base
(c) 3 types of nitrogenous base
(b) 2 types of nitrogenous base
(d) 6 types of nitrogenous base​

Answer 1

Answer:

3 types of nitrogenous base

Answer 2

Answer:

3 types of nitrogenous bases...

Explanation:

It is so because in dna helix nitrogenous bases always exist in pairs...

So most probably the answer will be 3.

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