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Question

The carriers for the electron transport system are located ______


  1. on the cristae of mitochondria

  2. within the Golgi apparatus

  3. within the cytoplasm of a cell

  4. within the matrix of mitochondria


Solution

The correct option is A

on the cristae of mitochondria


A crista is a fold in the inner membrane of a mitochondrion.​​​​​​ ​
Cristae are studded with proteins, including ATP synthase and a variety of cytochromes.
They increase the surface area of the inner membrane on which the electron transport takes place.
The high surface area allows greater capacity for ATP generation.

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