To create a gradient and to charge the membrane so that other processes can take place.
Protein pumps, such as the sodium-potassium pump and the proton pump, are membrane structures that function in active transport by moving ions against their concentration gradients across the cell membrane. These pumps require energy, usually in the form of ATP, to transport substances.
neutron
Because Prokaryotic cells contain no membrane bound organelles - the only thing they can use to create the proton concentrations needed for oxidative phosphorylation (ATP production), and photosynthesis, is the plasma membrane, which isn't as exposed in Prokaryotes as in Eukaryotic cells. Prokaryotes not only have a cell wall protecting their plasma membrane, they also have a "capsule" which provides additional support and separation for the plasma membrane, allowing it to perform this important task of creating ATP.
A membrane separation is crucial for ATP synthase to establish a proton gradient across the membrane. This gradient serves as the driving force for ATP synthesis as protons flow through the ATP synthase from high to low concentration. Without this separation, the necessary proton gradient cannot be generated.
a proton gradient across the inner mitochondrial membrane
The plasma membrane is the phospholipid bilayer that is defines the outer border of the cell. All of the organelles (which are also membrane bounds) are contained within the boundaries of the plasma membrane.
ATP synthase uses the proton gradient created by the electron transport chain to drive the formation of ATP from ADP and inorganic phosphate. This process occurs in the inner mitochondrial membrane in eukaryotic cells and the plasma membrane in prokaryotic cells.
ATP synthase (also known as FoF1-ATP synthase) is a multisubunit integral membrane protein that produce ATP from ADP and Pi using the energy of transmembrane electrochemical potential difference of proton (or sodium ion in some cases). The enzyme is found in bacterial plasma membrane, in thylakoid membrane (chloroplast ATP synthase) and in inner mitochondrial membrane. The main function of the enzyme is ATP production. However, in some cases (especially in bacteria) the enzyme works in the reverse direction, acting as an ATP-driven proton pump that generates the transmembrane electrochemical potential difference of proton. is it the right energy used in a body of matter from movemwent of molecules?
The function of the chloroplast inner membrane in photosynthesis is to separate the stroma (fluid-filled space) from the thylakoid membrane system, where light-dependent reactions occur. This separation allows for the creation of a proton gradient that drives ATP synthesis during photosynthesis.
No, a proton pump is a type of protein that is found in the membranes of cells and is responsible for pumping protons across the cell membrane. It does not require external help to perform its function.
Protein pumps, such as the sodium-potassium pump and the proton pump, are membrane structures that function in active transport by moving ions against their concentration gradients across the cell membrane. These pumps require energy, usually in the form of ATP, to transport substances.
neutron
Because Prokaryotic cells contain no membrane bound organelles - the only thing they can use to create the proton concentrations needed for oxidative phosphorylation (ATP production), and photosynthesis, is the plasma membrane, which isn't as exposed in Prokaryotes as in Eukaryotic cells. Prokaryotes not only have a cell wall protecting their plasma membrane, they also have a "capsule" which provides additional support and separation for the plasma membrane, allowing it to perform this important task of creating ATP.
Hui Li has written: 'Proton exchange membrane fuel cells' -- subject(s): Proton exchange membrane fuel cells
A membrane separation is crucial for ATP synthase to establish a proton gradient across the membrane. This gradient serves as the driving force for ATP synthesis as protons flow through the ATP synthase from high to low concentration. Without this separation, the necessary proton gradient cannot be generated.
In prokaryotic cells, the electron transport chain is located in the plasma membrane. Unlike eukaryotic cells, which have mitochondria to house this process, prokaryotes utilize their cell membrane to carry out oxidative phosphorylation and energy production. The components of the electron transport chain are embedded in the membrane, facilitating the transfer of electrons and the generation of a proton gradient.
Fei Gao has written: 'Proton exchange membrane fuel cells modeling' -- subject(s): Mathematical models, Proton exchange membrane fuel cells