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Under which conditions will plant cell mitochondria actively oxidise pyruvate and carry out oxidative phosphorylation?Question 19Select one:a.in all cells, with or without lightb.only in cells that store glucose in the form of starch and only in the darkc.only in photosynthetic cells in the light, while photosynthesis occurs concurrentlyd.in photosynthesising cells in the light, and in other cells in the dark

Question

Under which conditions will plant cell mitochondria actively oxidise pyruvate and carry out oxidative phosphorylation?Question 19Select one:a.in all cells, with or without lightb.only in cells that store glucose in the form of starch and only in the darkc.only in photosynthetic cells in the light, while photosynthesis occurs concurrentlyd.in photosynthesising cells in the light, and in other cells in the dark

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Solution

The mitochondria in plant cells will actively oxidise pyruvate and carry out oxidative phosphorylation under all conditions, regardless of light or the type of cell. This is because mitochondria are the site of cellular respiration in a cell, which is a process that occurs constantly to provide the cell with energy. This process involves the oxidation of pyruvate, a product of glycolysis, to produce ATP through oxidative phosphorylation. Therefore, the correct answer is:

a. in all cells, with or without light

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