A-LevelBiologyBiological molecules9700/12 · Oct/Nov 2018 · Q111 Mark
Which statements about collagen molecules are correct? 1 Both types of secondary structure occur within the molecules. 2 Large numbers of hydrogen bonds stabilise the molecules. 3 Repeated amino acid sequences determine the tertiary structure.
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
✓ Correct answer
D: 2 and 3 only
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