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While the electron transport chain’s main function is to produce ATP, another important byproduct is water. If you follow the path of electrons and protons you might notice that they follow the same basic pathway until the point where ATP is produced. At the end of the chain the electrons are taken up by oxygen molecules to make water. This is why oxygen is known as the final electron acceptor.
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How would you describe the election process?
prince
Oxygen is known as the "terminal electron receptor" in the electron transport chain. Suppose an organism lacks the ability to breathe in oxygen.What is the most likely effect an oxygen deficit would have on the electron transport chain in mitochondria?
Cyanide binds the electron transport chain at the level of complex IV
Without a terminal electron acceptor, the electrons of and would have nowhere to be released, and all of the enzyme complexes involved with the electron transport chain?
Cyanide binds the electron transport chain at the level of complex IV
Which electron transport chain complex would be impaired by a deficiency of copper?
Complex IV
Which electron transport chain complexes would be impaired by an iron deficiency?
Complex I and II
Why does electron transport shut down if oxygen is not available?
Oxygen is the last electron acceptor in the electron transport chain of aerobic cellular respiration. During the process, it combines with the transported electrons and hydrogen ions, forming water as a waste product, which is then removed from the electron transport chain. In order to keep the electron transport chain going, a new oxygen molecule takes the place of the "used" oxygen, and will eventually also combine with electrons and hydrogen ions, and it continues like this as long as the organism lives. Without oxygen, the electron transport chain would stop due to the fact that the transported electrons and hydrogen ions would have nowhere to go, so the transport chain can no longer function, terminating the production of ATP.
How would blocking of the electron transport chain affect a plant?
Electrons become diverted from the transport chain, releasing excess energy into the cell and destroying cell membranes. Another herbicide action is creation of superoxide radical which is highly reactive.
How would you describe a value chain?
Identification of all such processes within an organization along with a specification of the relationships among them provides a value chain.
If someone was suffering from iron deficiency anemia which stage of cellular respiration would be most affected?
Electron Transport Chain.
What is the electronegativity of the oxygen atom to that of the other molecules within the electron transport chain?
Oxygen has the second highest electronegativity of any element, second only to fluorine. Since it would be unusual to have fluorine in the electron transport chain, we can safely expect that oxygen will have the highest electronegativity in the chain.
Without the Krebs cycle the electron transport chain would produce very few ATP's?
The Krebs cycle provides the electron transport chain with the necessary molecules (NADH and FADH2) to produce ATP efficiently. Without the Krebs cycle, the electron transport chain would lack the electron carriers needed for ATP synthesis, resulting in minimal ATP production.
Why is oxygen needed to produce ATP on the cristae of mitochondrion?
1)ATP formed as electrons pass along transport chain 2)oxygen is terminal electron acceptor / accepts electrons from electron transport chain 3)electrons cannot be passed along electron transport chain if no O2 to accept them 4)forms H2O / accepts H+ from reduced NAD/FAD / oxidises reduced NAD/FAD
