Question

In mitochondria, the electron transport chain pumps protons from the matrix into the intermembrane space. In what direction are protons pumped by the electron transport chain in chloroplasts?.

Answer 1

An electron transport chain in mitochondria moves protons out of the matrix and into the intermembrane gap. An chain of electron transport in chloroplasts moves proton from stroma towards the thylakoid region.

Why does electron transport chain send protons into the intermembrane gap of the mitochondria?

Explanation: Pumping proton (hydrogen ions) into the intermembrane gap is the primary goal of accelerating electrons down the chain of electron transport. As a result, the cell selectively permits hydrogen ions to enter the mitochondrial matrix once more, establishing an electron acceptor gradient that it employs to produce ATP.

when the mitochondria's intermembrane gap is pumped with protons?

Pyruvate is promoted into the Krebs cycle within the inner mitochondrial membrane when oxygen is present. Protons are removed and subsequently pumped into the intermembrane space of the mitochondria against its gradient during the Krebs cycle.

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