What is the role of the biochemical process of ubiquitination in cells?

A Protein synthesis
B Cell signaling
C Protein degradation ✓
D DNA replication

Explanation

Ubiquitination is a post-translational modification that marks proteins for degradation by the proteasome.

Mnemonic

Ubiquitin = 'ubiquitous' protein modifier

Source

Alberts et al., Molecular Biology of the Cell
Fundamentals of Biochemistry Biochemistry Protein Modification Medium MEDICAL Confidence: high