CAPE Biology Unit 1 · 2007 (Specimen) · Paper 1 · Question Q6
Which of the following molecules shows the characteristics listed below? I. The triple helices are linked by covalent cross links. II. They are polypeptides in the form of three helices. III. Every third amino acid in each helix is glycine.
- (A)Collagen
- (B)Glycogen
- (C)Haemoglobin
- (D)Glycoprotein
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