Z-scheme is:
Correct answer: A. Non-cyclic phosphorylation
- A. Non-cyclic phosphorylation
- B. Cyclic phosphorylation
- C. Cyclic oxidation
- D. Oxidative phosphorylation
Explanation
The Z-scheme is a graphical representation of the electron transport pathway in non-cyclic photophosphorylation. It is called the Z-scheme because the pathway resembles the letter Z.The Z-scheme shows the movement of electrons from water to NADP+, with the help of a series of electron carriers. As the electrons move down the pathway, they release energy, which is used to pump protons across the inner mitochondrial membrane. This creates a proton gradient, which drives the synthesis of ATP by the enzyme ATP synthase.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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