Which of the following types of post-translational modification involves the addition of a carbohydrate molecule to a protein?

A Phosphorylation
B Glycosylation ✓
C Acetylation
D Methylation

Explanation

Glycosylation is the process of adding a carbohydrate molecule to a protein, which can affect its function, stability, and interactions with other molecules.

Mnemonic

Glyco = 'glue' → sticking carbohydrates to proteins

Source

Nelson et al., Lehninger Principles of Biochemistry
Protein Metabolism Biochemistry Post-Translational Modification Easy MEDICAL Confidence: high