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Question

Which of the elements is a component of Cytochrome oxidase

A
Copper
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B
Iron
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C
Mercury
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D
Cobalt
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Solution

The correct option is A Copper
Cytochrome is the protein which helps in the electron transport across the mitochondrial membrane. They help in the transfer of an electron to oxygen. They are made up of two parts:
  1. Heme part
  2. Copper center
This copper center has two copper atoms. They are found in the electron transport system of cellular respiration, located in the inner mitochondrial membrane

So, the correct option is 'Copper'

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