Which condition can inhibit oxidative phosphorylation?

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Question: Which condition can inhibit oxidative phosphorylation?

Options:

Correct Answer: Presence of cyanide

Solution:

Cyanide inhibits Complex IV of the electron transport chain, blocking oxidative phosphorylation.

Which condition can inhibit oxidative phosphorylation?

Which condition can inhibit oxidative phosphorylation?

Step 1: Understand what oxidative phosphorylation is. It is a process in cells that produces energy (ATP) using oxygen.
Step 2: Learn about the electron transport chain, which is a series of proteins in the cell's mitochondria that help in this process.
Step 3: Identify the different complexes in the electron transport chain. There are several, and Complex IV is one of them.
Step 4: Know that cyanide is a chemical that can affect the body. It is harmful and can block certain processes.
Step 5: Recognize that cyanide specifically inhibits Complex IV in the electron transport chain.
Step 6: Understand that by blocking Complex IV, cyanide stops the process of oxidative phosphorylation, preventing the production of energy.

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