The production of ATP inside eukaryotic organisms takes place in the mitochondri

Question

The production of ATP inside eukaryotic organisms takes place in the mitochondria. The energy comes from a difference in the concentration of protons between the inside and the outside of the membrane. The protons are pumped by transmembrane protein complexes.

Part A In the electron transport chain, protons are pumped from where to where in the mitochondria of eukaryotic cells? O from the intermembrane space to the cytosol o from the intermembrane space to the matrix O from the mitochondrial matrix to the intermembrane space O from the outside of the cell to the cytosol O from the outside of the cell to the matrix Submit Hints My Answers Give Up Review Part

Explanation / Answer

a. In electron transort chain the protons pumps from the mitochondrial matrix to intermembrane space.

ans - c .

b. Pumps protons ; complex I, complex III, complex IV. These are the three proton pumps resulting transmembrane proton gradient is used to make ATP via ATP synthase.

Does not pump protons: The remaing components of the mitochondria such as complex II, Coenzyme Q, Cytochrome C, does not involve in proton pump.

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