Asked Nov 27, 2019

Explain the structure and function of ATP synthase.


Expert Answer

Step 1

Oxidative phosphorylation:

It is also known as an electron transport-linked phosphorylation.

It can be defined as a metabolic pathway in which cells oxidize nutrients with the help of enzymes to release energy and form adenosine triphosphate (ATP).

It occurs inside the mitochondria in most of the eukaryotes but in prokaryotes in the intermembrane space of the cell. Almost all of the aerobic organisms take part in this process. It is an extremely efficient pathway of releasing the energy as compared to other fermentation processes (anaerobic glycolysis).

Step 2

ATP synthase:

In this ETC step, there is formation of adenosine triphosphate or ATP. It occurs when the protons are transported from the inter-membrane space to matrix.

Step 3

Structure of ATP synthase:

It is present inside the inner mitochondrial membrane and thylakoid membrane.

It consists of two regions: F0 and F1.

F0 is a region that helps in the rotation of the F1 unit. F0 is made up of c-ring and subunits (a, b, d). It has hydrophobic regions.

F1 is a ...

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