4.1. Biological molecules
A subsection of Biology, 0610, through 4. Biological molecules
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This question is about biological molecules. Choose words or phrases from the list to complete the sentences. Each word or phrase may be used once, more than once, or not at all. calcium carbon carbon dioxide carbohydrate cellulose chloroplasts fat glycerol glycogen iron methane nitrogen oxygen protein starch Fats are composed of the elements , hydrogen and only. All proteins contain these three elements and the element . Glucose is a type of . Animals store excess glucose as in the liver. Plants store excess glucose as . Plants also convert glucose to which is used to make cell walls.
0610_w18_qp_32
THEORY
2018
Paper 3, Variant 2
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215