Which of the following is a complimentary pair of hydrogen-bonded bases found in DNA?
A)A - C
B)A - G
C)A - T
D)A - U

Question

Quizplus · Accepted Answer

In DNA, adenine (A) always pairs with thymine (T) through two hydrogen bonds, while guanine (G) always pairs with cytosine (C) through three hydrogen bonds. Therefore, the only complementary pair of hydrogen-bonded bases found in DNA in the answer choices is A-T (choice C).

Which of the Following Is a Complimentary Pair of Hydrogen-Bonded