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In mitochondria, protons accumulate in t...

In mitochondria, protons accumulate in the

A

Intermembrane space

B

Matrix

C

Outer membrane

D

Inner membrane

Text Solution

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The correct Answer is:
A
In the mitochondria of eukaryotic cells, protons `(H^(+))` are transported from the matrix to the intermembrane space between the inner and outer mitochondrial membrane space between the inner and outer mitochondrial membranes to produce proton motive force.
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Read the given statements and select the correct option. Statement 1: in photosyntheis, during ATP synthesis, protons accumulate in the lumen of thylakoid. statement 2: In respiration, during AtP synthesis protons accumulate in the intermembranal space of mitochondria.

Assertion: During ETS, four protons would be accumulated in the intermembrane space of mitochondria from one molecule of FADH_(2) Reason: Ubiquinone receives reducing equivalents via FADH_(2)

Assertion: The reduced ubiquinone (ubiquinol) is oxidised with the transfer of electron to cytochrome c. Reason: During electron transport, proton accumulates within inner membrane of mitochondria.

Assertion: The NADP reductase enzyme is located on the stroma side of the membrane of thylakoid Reason: During proton accumulation in lumen there is measurable decrease in pH in the stroma.

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