DNA is constructed of
A) a single strand of nucleotides with internal hydrogen bonding.
B) two complementary strands of nucleotides bonded A—C and G—T.
C) two strands of nucleotides running antiparallel.
D) two strands of identical nucleotides with hydrogen bonds between them.
E) None of the answers is correct.
Answer: C) two strands of nucleotides running antiparallel.
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