Gene Expression Can Be Altered More Easily at the Level

Multiple Choice

Gene expression can be altered more easily at the level of post-transcriptional processing in eukaryotes than in prokaryotes because ________.

A) eukaryotic mRNAs get 5' caps and 3' tails
B) prokaryotic genes are expressed as mRNA, which is more stable in the cell
C) eukaryotic exons may be spliced in alternative patterns
D) prokaryotes use ribosomes of different structure and size