A-LevelBiologyBiological molecules9700/12 · Feb/Mar 2018 · Q241 Mark

The diagram represents a molecule of ATP. [Figure showing ATP molecule with parts P, Q, R labelled] What are the components of ATP labelled P, Q and R? [Table mapping P, Q, R to chemical descriptions]

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Aadenine, deoxyribose, phosphates

Badenosine, pentose, a phosphate group

Cadenosine, ribose, phosphorus

Dpurine, pentose, phosphates

✓ Correct answer

D: purine, pentose, phosphates

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Topic: Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2018 Paper 1 Variant 2, question 24.

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