Assertion: Cristae are the infoldings of outer membrane of mitochondria. Reason: Electron transp

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Assertion: Cristae are the infoldings of outer membrane of...

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Key Concepts

Electron Transport Chain

The electron transport chain (ETC) is a series of protein complexes and other molecules embedded in the inner mitochondrial membrane. It is responsible for the transfer of electrons through a series of redox reactions, which ultimately drives the production of ATP through chemiosmosis.

Mitochondrial Matrix

The mitochondrial matrix is the interior space enclosed by the inner membrane of a mitochondrion. It contains enzymes involved in the Krebs cycle, mitochondrial DNA, and ribosomes, but it is not the site of the electron transport chain, which is located in the inner membrane.

Mitochondrial Membrane Structure

Mitochondria have a double membrane structure consisting of an outer membrane and an inner membrane. The inner membrane is highly folded to form structures that increase its surface area, facilitating its role in energy production. The outer membrane encloses the organelle and contains permeability properties that regulate interactions with the cytosol.

Cristae

Cristae are the folds of the inner mitochondrial membrane rather than the outer membrane. These folds serve to increase the surface area available for the electron transport chain components, making them crucial for the process of oxidative phosphorylation and efficient ATP synthesis.

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