Question

Control over enzyme activity
Choose the one most appropriate answer for each.
a. influences the amount and kinds of mRNA assembled from structural genes
b. snipping out of transcript regions; chemical modification of transcript before it arrives at ribosome control
c. nuclear envelope selectively regulates passage of transcripts
d. phosphorylation of translated protein
e. for example, the interior environmental pH determines whether a protein can act as a cell catalyst

Answer

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