In what ways is the inner mitochondrial membrane essential to the link of electron transport and atp synthesis? could the membrane carry out its function if its lipid bilayer were readily permeable to hydrogen ions(protons)?


The proton gradient generates ATP in the electron transport chain.
Outer membrain,inner membrain,matrix,critae is parts of Organelle/Mitochondroid.

The inner mitochondrial membrane (IMM) is the mitochondrial membrane which separates the mitochondrial matrix from the intermembrane space.

The mitochondrial inner membrane is the site of the electron transport chain, an important step in aerobic respiration. Between the inner membrane and outer membrane is the inter-membrane space. There, H+ ions build up to create a proton potential that helps power the ATP energy formation.

The inner mitochondrial membrane (IMM) is the mitochondrial membrane which separates the mitochondrial matrix from the intermembrane space.


CRISTAE- is a fold in the inner membrane of a mitochondrion. The name is from the Latin for crest or plume, and it gives the inner membrane its characteristic wrinkled shape, providing a large amount of surface area for chemical reactions to occur on.

MATRIX- A matrix is a rectangular array of numbers (or other mathematical objects) for which operations such as addition and multiplication are defined. Most commonly, a matrix over a field F is a rectangular array of scalars, each of which is a member of F.

INNER MITOCHONDRIAL MEMBRANE- The inner membrane is also loaded with proteins involved in electron transport and ATP synthesis. This membrane surrounds the mitochondrial matrix, where the citric acid cycle produces the electrons that travel from one protein complex to the next in the inner membrane.




electron transport chain

The inner mitochondrial membrane is both an electrical insulator and chemical barrier. Sophisticated ion transporters exist to allow specific molecules to cross this barrier. There are several antiport systems embedded in the inner membrane, allowing exchange of anions between the cytosol and the mitochondrial matrix. No beacuse there is a need for balance of ions and difference in concentration gradient .

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