AP Biologyeasymcq1 pt
Which bases pair in DNA?
A.A–T and G–C
B.A–G and T–C
C.A–U and G–T
D.A–C and G–T
Explanation
Core Concept
Adenine pairs with thymine via two hydrogen bonds; guanine with cytosine via three. Complementarity lets each strand serve as a template.
Correct Answer
AA–T and G–C
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