Biology

Question

25. What is the basis for the difference in how the leading and lagging strands of DNa molecules are synthesized?

a. the orgins ot replication occur only at the 5' end.

D.

Helicases and DNA polymerase work at the 5'

end

C. DNA polymerase can join new nucleotides only to the 3 end of a growing strand.

d.

DNA ligase works only in the 3' - 5' direction.

Answer

C. DNA polymerase can join new nucleotides only to the 3' end of a growing strand.

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DNA polymerase is the enzyme responsible for synthesizing the leading and lagging strands of DNA molecules. The difference in how the leading and lagging strands...