V.2 Chemiosmosis

7 important questions on V.2 Chemiosmosis

What is Jagendorf's experiment?

The first experiment to give evidence for the chemiosmotic theory.

What is Boyer's binding change mechanism?

In order to occlude ATP from surroundings, ATP binding proteins need to change formation.

How do enzyme use induced fit to prevent hydrolysis?

To prevent hydrolysis an enzyme binds to H2O because it has to bind to the substrate and not get hydrolyzed.
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What is the process of ATP synthesis?

A hydrogen ion, or proton, enters the ATP synthase complex. The upper part of the ATP synthase complex rotates as each new proton enters the complex. After the upper portion of the complex has rotated three times, ADP and Pi are combined by the lower portion of the complex to form ATP.

How can ATP synthase molecules utilize the potential difference as driving force in ATP production?

Because of the potential gradient difference a proton is pumped into the cell, which causes the upper part of ATP synthase to rotate. When three protons have been pumped into the cell, ATP can be made.

What is a UCP?

A UCP is an uncoupled protein that makes heat without ATP synthesis. It’s found in brown adipose tissue.

Why is an electrochemical potential difference needed?

An electrochemical potential difference across a coupling membrane is needed for continuous ATP synthesis.

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