EVERYDAY SCIENCE

SCIENCE

RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ETC involves ____ phosphorylation.
A
photo
B
oxidative
C
reductive
D
substrate level
Explanation: 

Detailed explanation-1: -Oxidative phosphorylation has two parts: the electron transport chain (ETC) and chemiosmosis. The ETC is a collection of proteins bound to the inner mitochondrial membrane and organic molecules, which electrons pass through in a series of redox reactions, and release energy.

Detailed explanation-2: -Oxidative phosphorylation is made up of two closely connected components: the electron transport chain and chemiosmosis. In the electron transport chain, electrons are passed from one molecule to another, and energy released in these electron transfers is used to form an electrochemical gradient.

Detailed explanation-3: -The electron transport chain or ETC is tightly coupled to the process of oxidative phosphorylation via the atp synthase system for the production of useful energy for metabolism in the form of ATP.

Detailed explanation-4: -This process is known as oxidative phosphorylation, because the phosphorylation of ADP to ATP is dependent on the oxidative reactions occurring in the mitochondria.

Detailed explanation-5: -Most of the usable energy obtained from the breakdown of carbohydrates or fats is derived by oxidative phosphorylation, which takes place within mitochondria.

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