Hydrogen ions activate the enzyme ATP synthase by moving from Question options:
ID: 322527 • Letter: H
Question
Hydrogen ions activate the enzyme ATP synthase by moving from
Question options:
1)
cytosol to outer mitochondrial membrane.
2)
intermembrane space to mitochondrial matrix.
3)
inner mitochondrial membrane to cytosol.
4)
mitochondrial matrix to intermembrane space.
5)
cytosol to inner mitochondrial membrane.
1)
cytosol to outer mitochondrial membrane.
2)
intermembrane space to mitochondrial matrix.
3)
inner mitochondrial membrane to cytosol.
4)
mitochondrial matrix to intermembrane space.
5)
cytosol to inner mitochondrial membrane.
Explanation / Answer
4.Mitochondrial matrix to intermembrane space.
An electron transport chain (ETC) is a series of compounds that transfer electrons from electron donors to electron acceptors via redox (both reduction and oxidation occurring simultaneously) reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane. This creates an electrochemical proton gradient that drives the synthesis of adenosine triphosphate (ATP), a molecule that stores energy chemically in the form of highly strained bonds.
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