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Polymers and biomolecules — Question 9

QCAA 2025, Paper 1 · 1 mark

Q9 · 2025 · Paper 1Unclassified1 mark

QUESTION 9

Which protein structure contains two or more protein chains bonded together to form subunits?

(A) primary

(B) secondary

(C) tertiary

(D) quaternary

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