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Ubiquitin is a ___________________

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Ubiquitin is a ___________________

(a) protein

(b) organelle

(c) nuclear body

(d) aggragated complex

This question was posed to me in a national level competition.

The origin of the question is Gene Expression Control topic in chapter Control of Gene Expression of Cell Biology

1 Answer

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Best answer
Right option is (a) protein

The best explanation: Ubiquitin is an important protein that performs functions in diverse cellular processes. It is a small and highly conserved protein. A single attached ubiquitin can serve as a sorting signal leading the associated polypeptide to a specific pathway.

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