38. During DNA replication in eukaryotic cells, the enzyme responsible for synthesizing the new DNA strand in the 5' to 3' direction is:(A)DNA ligase(B)DNA polymerase α(C)DNA polymerase δ(D)RNA primase

40. Which of the following statements about prokaryotic and eukaryotic mRNA is incorrect?(A)Prokaryotic and eukaryotic mRNAs are polycistronic.(B)Translation of prokaryotic mRNAs can begin even before transcription is completed.(C)Eukaryotic RNAs undergo significant posttranscriptional processing.(D)The 5' end of all eukaryotic mRNAs is capped with a unique 5'-5' linkage to a 7- methylguanosine residue.

38. During DNA replication in eukaryotic cells, the enzyme responsible for synthesizing the new DNA strand in the 5' to 3' direction is:

(A)DNA ligase

(B)DNA polymerase α

(C)DNA polymerase δ

(D)RNA primase

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