The correct order of electron transport compounds from best electron donor to best electron acceptor is NADH → Complex I → Q → Complex III → cytochrome c → Complex IV → O2.
The inner membrane of the mitochondria contains a number of organic molecules and proteins that make up the electron transport chain. In a series of redox reactions, electrons are transferred from one component of the transport chain to another.
Nicotinamide adenine dinucleotide (NAD) plus hydrogen (H) is referred to as NADH. This substance is present in the body naturally and participates in the synthesis of energy.
NADH aids the body's synthesis of energy. For the treatment of chronic fatigue syndrome, some people use it as a supplement.
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