Multiple Choice
Which of the following processes is an example of post-translational modification?
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15. Gene Expression
Post-Translational Modification
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Which of the following processes is an example of a post-translational modification?
A
Transcription
B
Phosphorylation
C
DNA replication
D
RNA splicing
Verified step by step guidance1
Understand the concept of post-translational modification: It refers to the chemical changes that a protein undergoes after it has been synthesized during translation. These modifications can affect the protein's function, activity, stability, and localization.
Identify the processes listed in the problem: Transcription, Phosphorylation, DNA replication, and RNA splicing.
Recognize that transcription is the process of copying a segment of DNA into RNA, which occurs before translation and is not a post-translational modification.
Understand that DNA replication is the process of making a copy of DNA, which is unrelated to protein synthesis and post-translational modifications.
Recognize that phosphorylation is the addition of a phosphate group to a protein, which is a common type of post-translational modification that can alter the protein's function or activity.
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