অ্যাডেনিন (A) এবং থাইমিন (T)-এর মধ্যে কয়টি হাইড্রোজেন বন্ধনী থাকে?

A 1

B 2

C 3

D 4

Correct Answer & Explanation

Option B

Option B is the correct answer according to official curriculum guidelines.

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