Which statement below provides an explanation of why a lagging strand (rather than two leading strands) exists during DNA replication?
a. New nucleotides can be added only to a 3? (–OH) end.
b. Only one primer can exist at a time.
c. There is only one DNA polymerase per cell.
d. There is only one replisome per cell.
Answer: A
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A. A hypothesis. B. A theory. C. A discovery. D. A prediction. E. A fact.
Which of the following characterizes blood flow through capillaries?
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What is the pH of pure water?
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