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What must the membrane protein do so that hydrogen ions can flow through it?
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What regulates the flow of water through a cell membranes?
concentration of water A concentration of solutes regulates the flow of water through a cell membrane.
How do other molecules pass through the selectively permeable cell membrane?
[Molecules pass through the cell membrane] through a process known as osmosis. ------------------------------------------------------- Yes, osmosis is a great part of diffusion of molecules, but another important factor to consider is the presence of protein channels in the membrane. The cell membrane is actually a lipid bilayer, in which proteins are embedded. Normally, molecules will simply be diffused through these chanells, but in some cases, the protein must be modified in order to allow the molecules to flow. This is called active transport, which requires energy in order to change the shape of the protein and allow the foreign molecule to pass.
What is a permeable membrane?
permeable membrane: is a membrane that allows water to pass through the membrane ; the salt water is then left out
What is the role of hydrogen ions in the conversion of ADP to ATP?
it is caused by the hydrogen ion flow across the membrane.
What forces hydrogen ions to flow through the F0 subunit?
a concentration gradient
When hydrogen ions are pumped from the mitochondrial matrix across the inner membrane and into the intermembrane space the result is?
Hydrogen ions are pumped through the membrane in the final stage of ATP generation in the electron transport chain. The ions pumped through the membrane create a gradient and cause the hydrogen to "want" to pass back through the membrane. They do so through the protein channels in the membrane and attaches a phosphate to adenosine diphosphate to make adenosine triphosphate.
The flow of what particle across the thylakoid membrane powers the production of ATP?
Hydrogen Ions
What is chemiosmotic generation of ATP driven by?
Chemiosmotic generation of ATP is driven by a gradient of H+ ions (protons). These protons move from high to low concentration, and in the process, power a protein that phosphorylates ADP into ATP.
What regulates the flow of water through a cell membranes?
concentration of water A concentration of solutes regulates the flow of water through a cell membrane.
How do other molecules pass through the selectively permeable cell membrane?
[Molecules pass through the cell membrane] through a process known as osmosis. ------------------------------------------------------- Yes, osmosis is a great part of diffusion of molecules, but another important factor to consider is the presence of protein channels in the membrane. The cell membrane is actually a lipid bilayer, in which proteins are embedded. Normally, molecules will simply be diffused through these chanells, but in some cases, the protein must be modified in order to allow the molecules to flow. This is called active transport, which requires energy in order to change the shape of the protein and allow the foreign molecule to pass.
How does the hydrogen ion pump store energy in a new place?
once hydrogen ions are outside the membrane they are allowed to flow back in. this flow is changed to energy that is stored in the bonds of new molecules.
What is a permeable membrane?
permeable membrane: is a membrane that allows water to pass through the membrane ; the salt water is then left out
A protein channel in a hydrogen ion pump is shown below?
H+ ions would not flow out of the mitochondrion
What is the role of hydrogen ions in the conversion of ADP to ATP?
it is caused by the hydrogen ion flow across the membrane.
What is a backflush?
A backflush is a temporary reversal of the flow of fluid, especially of liquid through a membrane.
Hydrogen ions flow back into the inner compartment through?
ATP Synthasis
What forces hydrogen ions to flow through the F0 subunit?
a concentration gradient
