DNA Polymerase Can Catalyze a Dehydration Synthesis Reaction Only at the 3

question 27

Multiple Choice

DNA polymerase can catalyze a dehydration synthesis reaction only at the 3' carbon of the daughter strand of DNA. This means that _______.

• A) the antiparallel nature of the parent molecules determine that the leading strand must be grown in fragments away from the fork and the lagging strand is synthesized continuously
• Toward the fork
• B) Okazaki fragments extend toward the replication fork as the parent strands are unzipped by helicase
• C) since the strands are antiparallel, one strand will grow toward the fork as it opens, and the other strand will grow in fragments away from the fork
• D) the leading and lagging strands extend in the 3' - 5' direction toward the replication fork as the nucleotide bases are exposed

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