Eukaryotic Gene Expression Problem Set

Problem 2: Features of eukaryotic mRNAs

Which of the following is NOT a feature of eukaryotic gene expression?
A. polycistronic mRNAs are very rare
B. many genes are interrupted by noncoding DNA sequences
C. RNA synthesis and protein synthesis are coupled as in prokaryotes
RNA synthesis occurs in the nucleus, but translation occurs on ribosomes in the cytoplasm. Transcription and translation are spatially and temporally separated in eukaryotic cells.
D. mRNA is often extensively modified before translation
E. multiple copies of nuclear genes, and pseudogenes can occur

The Biology Project
University of Arizona
Tuesday, October 6, 1998
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