In DNA, the complementary bases are ……………….
A. Uracil and adenine; cytosine and guanine
B. Adenine and thymine; guanine and cytosine
C. Adenine and guanine; thymine and cytosine
D. adenine and guanine; thymine and uracil
Answer:B
In DNA, the complementary bases are ……………….
A. Uracil and adenine; cytosine and guanine B. Adenine and thymine; guanine and cytosine C. Adenine and guanine; thymine and cytosine D. adenine and guanine; thymine and uracil