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Which of the following processes takes place in cristae of mitochondria?GlycolysisSynthesis of proteins.Citric acid cycle.ATP synthesis.Production of reduced coenzymes.

Question

Which of the following processes takes place in cristae of mitochondria?GlycolysisSynthesis of proteins.Citric acid cycle.ATP synthesis.Production of reduced coenzymes.

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Solution

The process that takes place in the cristae of mitochondria is ATP synthesis.

Here's a step-by-step explanation:

  1. The cristae of mitochondria are the location of the electron transport chain, a series of protein complexes and electron carrier molecules within the mitochondrial membrane that help generate energy for the cell.

  2. As electrons are passed along this chain, a process known as chemiosmosis occurs, which involves the pumping of hydrogen ions (protons) across the mitochondrial membrane, creating a gradient or difference in concentration.

  3. This gradient is then used to power ATP synthase, an enzyme that synthesizes ATP (adenosine triphosphate), the cell's main energy-carrying molecule.

  4. Therefore, the cristae of mitochondria are where ATP synthesis takes place.

Note: Glycolysis actually occurs in the cytoplasm of the cell, not in the mitochondria. The citric acid cycle occurs in the mitochondrial matrix, not the cristae. The synthesis of proteins primarily occurs in the ribosomes, not the mitochondria. And while the production of reduced coenzymes does occur as part of the citric acid cycle, this is not specific to the cristae of the mitochondria.

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