Question

What level of protein structure is affected when a protein is degraded?

Tertiary

Secondary

Quaternary

Primary

All answers are correct

Answer 1

The correct option is Primary

when a protein is degraded, the primary structure is destroyed. It means that the covalent bonds between different amino acids are broken. This case can be happen by enzymes called proteases. Protein decomposed completely to its amino acids or broken to small peptide chains.

while in protein denaturation secondary; tertiary or quaternary structure is destroyed and not the primary structure.

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