Table of Contents
- 1 Does oxidative phosphorylation regenerate ATP?
- 2 Which is the source of energy used to make ATP by oxidative phosphorylation?
- 3 Why is formation of ATP by ATP synthase in the mitochondria known as oxidative phosphorylation?
- 4 Which is formed in oxidative phosphorylation?
- 5 How does the formation of ATP by oxidative phosphorylation differ from substrate level phosphorylation based ATP synthesis?
- 6 How is ATP generated in mitochondria?
Does oxidative phosphorylation regenerate ATP?
These redox molecules are used in an oxidative-phosphorylation process to produce the majority of the ATP that the body uses. This oxidative-phosphorylation process consists of two steps: the oxidation of NADH (or FADH2) and the phosphorylation reaction which regenerates ATP.
How is ATP produced in the electron transport system and oxidative phosphorylation?
The process of forming ATP from the electron transport chain is known as oxidative phosphorylation. Electrons carried by NADH + H+ and FADH2 are transferred to oxygen via a series of electron carriers, and ATPs are formed. Three ATPs are formed from each NADH + H+, and two ATPs are formed for each FADH2 in eukaryotes.
Which is the source of energy used to make ATP by oxidative phosphorylation?
proton motive force
The proton motive force is the source of the energy used to make ATP by oxidative phosphorylation.
Why does oxidative phosphorylation produce more ATP than substrate level phosphorylation?
Oxidative phosphorylation is more effective than substrate-level phosphorylation because it uses the existing energy from oxygen, the most energized possible electrons, in order to drive an electrochemical gradient.
Why is formation of ATP by ATP synthase in the mitochondria known as oxidative phosphorylation?
Why is formation of ATP by ATP synthase in the mitochondria known as oxidative phosphorylation? A proton gradient created by the redox reactions of the electron transport chain is used to drive the synthesis of ATP. – All ATP is made by substrate-level phosphorylation.
Which chemical process generates the ATP produced in the citric acid cycle?
Oxidative phosphorylation, the process where electron transport from the energy precursors from the citric acid cycle (step 3) leads to the phosphorylation of ADP, producing ATP.
Which is formed in oxidative phosphorylation?
The energy stored in the chemical bonds of glucose is released by the cell in the citric acid cycle producing carbon dioxide, and the energetic electron donors NADH and FADH. Oxidative phosphorylation uses these molecules and O2 to produce ATP, which is used throughout the cell whenever energy is needed.
What is the main effect of Uncouplers in the process of oxidative phosphorylation?
What is the main effect of uncouplers in the process of oxidative phosphorylation? Uncouplers destroy the proton gradient across the mitochondrial inner membrane.
How does the formation of ATP by oxidative phosphorylation differ from substrate level phosphorylation based ATP synthesis?
The main difference between substrate level phosphorylation and oxidative phosphorylation is that substrate level phosphorylation is a direct phosphorylation of ADP with a phosphate group by using the energy obtained from a coupled reaction whereas oxidative phosphorylation is the production of ATP from the oxidized …
How many ATP is produced in oxidative phosphorylation?
Oxidative phosphorylation produces 24–28 ATP molecules from the Kreb’s cycle from one molecule of glucose converted into pyruvate.
How is ATP generated in mitochondria?
Most of the adenosine triphosphate (ATP) synthesized during glucose metabolism is produced in the mitochondria through oxidative phosphorylation. This is a complex reaction powered by the proton gradient across the mitochondrial inner membrane, which is generated by mitochondrial respiration.
How many ATP are produced in oxidative phosphorylation?