MCQ
In $DNA$, the complementary bases are
- AUracil and adenine; cytosine and guanine
- ✓Adenine and thymine; guanine and cytosine
- CAdenine and thymine; guanine and uracil
- DAdenine and guanine; thymine and cytosine
✓
Answer
Correct option: B.
Adenine and thymine; guanine and cytosine
b
(b) $\mathop {{\rm{Adenine}} = {\rm{Thymine}}}\limits_{{\rm{2 hydrogen bonds}}} {\rm{,}}\,\mathop {{\rm{Guanine}} \equiv {\rm{Cytosine}}}\limits_{{\rm{3 hydrogen bonds}}} $
(b) $\mathop {{\rm{Adenine}} = {\rm{Thymine}}}\limits_{{\rm{2 hydrogen bonds}}} {\rm{,}}\,\mathop {{\rm{Guanine}} \equiv {\rm{Cytosine}}}\limits_{{\rm{3 hydrogen bonds}}} $
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