Respuesta :
Answer:
d) the electron transport chain.
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In cellular respiration, most ATP is produced directly as a result of the electron transport chain.
What is cellular respiration?
The electron transport chain is a series of compounds where it makes use of electrons from electron carrier to develop a chemical gradient.
By the mechanism of oxidative phosphorylation ATP is formed.
ETC takes place in intermembrane space of mitochondria.
To know more about cellular respiration :
https://brainly.com/question/876880
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