AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

DNA REPLICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The principle Watson and Crick created that said adenine pairs with thymine and guanine pairs with cytosine is called
A
base pairing
B
super coiling
C
replication
D
substitution
Explanation: 

Detailed explanation-1: -You see, cytosine can form three hydrogen bonds with guanine, and adenine can form two hydrogen bonds with thymine. Or, more simply, C bonds with G and A bonds with T. It’s called complementary base pairing because each base can only bond with a specific base partner.

Detailed explanation-2: -The basic rule is that Adenine binds to Thymine and Cytosine binds to Guanine forming base-pairs through hydrogen bonding.

Detailed explanation-3: -DNA base pair. Under normal circumstances, the nitrogen-containing bases adenine (A) and thymine (T) pair together, and cytosine (C) and guanine (G) pair together. The binding of these base pairs forms the structure of DNA .

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