Multiple Choice
The addition of ubiquitin to a protein typically marks it for which of the following processes?
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15. Gene Expression
Post-Translational Modification
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Glycosylation is the post-translational addition of ________ to the protein.
A
A carbohydrate.
B
A lipid.
C
A fat.
D
A nucleotide.
Verified step by step guidance1
Understand the concept of glycosylation: Glycosylation is a biochemical process where a carbohydrate is covalently attached to a protein or lipid molecule. This process is crucial for proper protein folding, stability, and cell signaling.
Identify the options given in the problem: The options are carbohydrate, lipid, fat, and nucleotide.
Recall the definition of glycosylation: Glycosylation specifically involves the addition of carbohydrates to proteins or lipids, not fats or nucleotides.
Eliminate incorrect options: Since glycosylation involves carbohydrates, you can eliminate lipid, fat, and nucleotide as they do not fit the definition.
Select the correct answer: Based on the definition and elimination of other options, the correct answer is 'A carbohydrate.'
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