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A series of molecules found in the inner membranes of mitochondria and chloroplasts through which electron pass in a process that causes protons to build up on one side of the membrane?
This process is called the electron transport chain. The molecules involved are typically cytochromes and other protein complexes, such as Complexes I, II, III, IV in mitochondria and the cytochrome b6f complex in chloroplasts. As electrons pass through the chain, they help pump protons across the membrane creating an electrochemical gradient that is used to produce ATP through ATP synthase.
In what form does the electron transport chain appear on earth?
The electron transport chain appears in cells as a series of protein complexes embedded in the inner mitochondrial membrane. These complexes pass electrons through a series of redox reactions, generating ATP in the process.
Where in the mitochondria is the proteins of the ETC located?
The proteins of the electron transport chain (ETC) are located in the inner mitochondrial membrane. This is where the series of complexes involved in electron transfer and ATP production are situated.
Why do NADH and FADH2 donate electrons to different electron transport chain complexes?
NADH and FADH2 donate electrons to different complexes in the electron transport chain because they have different energy levels and transfer electrons at different points in the chain, allowing for efficient energy production through the generation of a proton gradient.
What are Oxysomes images?
Oxysomes are specialized structures found in the inner membrane of mitochondria. They are thought to contain the electron transport chain complexes involved in cellular respiration. Images of oxysomes can be visualized using transmission electron microscopy.
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
After electrons leave photosystem II they go into an electron transport chain of three protein complexes. Where do they go after that electron transport chain?
They go into photosystem I.
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
Is heat energy required to establish the electron transport chain?
No, heat energy is not required to establish the electron transport chain. The electron transport chain is a series of protein complexes in the inner mitochondrial membrane that uses energy from electrons to drive the production of ATP through oxidative phosphorylation. Heat energy is not directly involved in this process.
A series of molecules found in the inner membranes of mitochondria and chloroplasts through which electron pass in a process that causes protons to build up on one side of the membrane?
This process is called the electron transport chain. The molecules involved are typically cytochromes and other protein complexes, such as Complexes I, II, III, IV in mitochondria and the cytochrome b6f complex in chloroplasts. As electrons pass through the chain, they help pump protons across the membrane creating an electrochemical gradient that is used to produce ATP through ATP synthase.
What do heme and iron-sulfur complexes do in photosynthesis?
They reduce and oxidize in the electron transport chain
Which electron transport chain complexes would be impaired by an iron deficiency?
Complex I and II
In what form does the electron transport chain appear on earth?
The electron transport chain appears in cells as a series of protein complexes embedded in the inner mitochondrial membrane. These complexes pass electrons through a series of redox reactions, generating ATP in the process.
Where in the mitochondria is the proteins of the ETC located?
The proteins of the electron transport chain (ETC) are located in the inner mitochondrial membrane. This is where the series of complexes involved in electron transfer and ATP production are situated.
Where in the mitochondrion does the electron transport chain?
The electron transport chain takes place in the inner mitochondrial membrane. This is where the series of protein complexes and molecules work together to generate ATP through electron transfer and proton pumping.
Which of the electron transport chain protein complexes accepts electrons from FADH2?
Complex 2 (succinate dehydrogenase)
Why do NADH and FADH2 donate electrons to different electron transport chain complexes?
NADH and FADH2 donate electrons to different complexes in the electron transport chain because they have different energy levels and transfer electrons at different points in the chain, allowing for efficient energy production through the generation of a proton gradient.
