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Biology

CAIE2016

ATP is the universal energy currency which provides the immediate source of energy for cellular processes. (a) Fig. 2.1 shows some ways in which ATP may be synthesised and used in cells. ATP anabolic reactions oxidative phosphorylation e.g. ................................... cellular work ................................... phosphorylation e.g. .................................. photophosphorylation movement ADP Fig. 2.1 (i) Complete Fig. 2.1 by writing correct terms or examples on the three dotted lines provided. [3] (ii) Name the molecule that is required to react with ATP in order to convert ATP into ADP and an inorganic phosphate. ...................................................................................................................................... [1] (iii) Name the membrane-bound enzyme responsible for phosphorylating ADP to make ATP. ...................................................................................................................................... [1] © UCLES 2014 9700/04/SP/16 PPMMTT

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