Multiple Choice
Post-translational control refers to:
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15. Central Dogma & Gene Regulation
Introduction to Regulation of Gene Expression
Multiple Choice
In prokaryotes, control of gene expression usually occurs at the
A
Splicing of pre-mRNA into mature mRNA.
B
Post-translational control level.
C
Transcriptional control level.
D
All of the above.
Verified step by step guidance1
Understand the basic concept of gene expression in prokaryotes, which involves the process by which information from a gene is used to synthesize a functional gene product, usually a protein.
Recognize that prokaryotes, such as bacteria, do not have a nucleus, and their gene expression is primarily controlled at the transcriptional level, where the synthesis of mRNA from DNA occurs.
Identify that splicing of pre-mRNA into mature mRNA is a process that occurs in eukaryotes, not prokaryotes, as prokaryotes do not have introns that need to be spliced out.
Understand that post-translational control involves modifications to proteins after they have been synthesized, which is less common in prokaryotes compared to transcriptional control.
Conclude that transcriptional control is the primary level at which gene expression is regulated in prokaryotes, as it allows for efficient and rapid response to environmental changes.
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