Multiple Choice
Post-translational modifications of proteins can affect which of the following?
16. Regulation of Expression
Eukaryotic Post-Translational Regulation
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Protein degradation is one strategy to control gene expression and is considered ______.
A
Transcriptional control.
B
Post-transcriptional control.
C
Translation initiation control.
D
Post-translational control.
E
Chromatin remodeling.
Verified step by step guidance1
Understand the concept of gene expression control: Gene expression can be regulated at various stages, including transcription, post-transcription, translation, and post-translation.
Identify the stage of control: Protein degradation occurs after a protein has been synthesized, which means it happens after translation.
Define post-translational control: This refers to the regulation of gene expression by modifying proteins after they have been synthesized. This can include processes like phosphorylation, ubiquitination, and degradation.
Relate protein degradation to post-translational control: Since protein degradation involves breaking down proteins after they have been made, it is a form of post-translational control.
Conclude that protein degradation is a strategy for controlling gene expression at the post-translational level, as it regulates the amount and activity of proteins present in the cell.
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