A Levels Biology (9700)•9700/11/M/J/22

Explanation
Polysaccharides with 1-4 glycosidic bonds
Steps:
- Define 1-4 glycosidic bonds as linkages between C1 of one glucose and C4 of another.
- Amylose features linear α-1,4 bonds.
- Cellulose features linear β-1,4 bonds.
- Glycogen features α-1,4 bonds in chains plus α-1,6 branches.
- Option D lacks description, leaving the selection ambiguous.
Why C is correct:
- Not enough information; all listed options (A, B, C) contain 1-4 glycosidic bonds by definition, though α vs. β differs.
Why the others are wrong:
- A. Amylose contains α-1,4 glycosidic bonds.
- B. Cellulose contains β-1,4 glycosidic bonds.
- D. Not enough information.
Final answer: Not enough information.
Topic: Carbohydrates and lipids
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