37. What is the activated reactant in the biosynthesis of phosphoribosylamine?(A)ATP (Adenosine triphosphate)(B)IMP (Inosine monophosphate)(C)PRPP (5-Phosphoribosyl-1-pyrophosphate)(D)FAD (Flavin adenine dinucleotide)

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.

37. What is the activated reactant in the biosynthesis of phosphoribosylamine?

(A)ATP (Adenosine triphosphate)

(B)IMP (Inosine monophosphate)

(C)PRPP (5-Phosphoribosyl-1-pyrophosphate)

(D)FAD (Flavin adenine dinucleotide)

相關試題

相關試卷