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Why do protons accumulate outside the membrane and why is this necessary?
Protons accumulate outside the membrane, so that a concentration-gradiënt is established. Because of this the protons want to flow inside, and this "current of protons" is enhanced by a membrane enzyme, called ATP-synthase to produce ATP. So, basically a potential is created, which can power the production of ATP.
Which theory explains ATP synthesis chloroplast and mitochondria?
The chemiosmotic theory explains ATP synthesis in both chloroplasts and mitochondria. This theory states that ATP is generated through the movement of protons across a membrane, creating a proton gradient that drives the synthesis of ATP by ATP synthase. In chloroplasts, this process occurs in the thylakoid membrane during photosynthesis, whereas in mitochondria, it occurs in the inner mitochondrial membrane during cellular respiration.
What is the effect of the flow of protons through the inner mitochondrial membrane?
The flow of protons through the inner mitochondrial membrane drives the synthesis of ATP through the process of oxidative phosphorylation. This flow creates a proton gradient, which is used by ATP synthase to produce ATP from ADP and inorganic phosphate. This process is known as chemiosmosis.
Chemiosmosis in mitochondria directly results in the synthesis of?
ATP through the movement of protons across the inner mitochondrial membrane via ATP synthase. This process creates a proton gradient, driving the production of ATP from ADP and inorganic phosphate.
Synthesis of ATP by chemiosmotic mechanism occurs during?
Synthesis of ATP by chemiosmotic mechanism occurs during oxidative phosphorylation in the inner mitochondrial membrane. Protons are pumped across the membrane by the electron transport chain, creating a proton gradient. ATP synthase then uses this gradient to generate ATP from ADP and inorganic phosphate.
The movement of protons during ATP production is called what?
The movement of protons during ATP production is called chemiosmosis. In this process, protons are pumped across a membrane, creating an electrochemical gradient that drives ATP synthesis.
Which parts of the mitochondria are directly involved in the synthesis of ATP during chemiosmosis?
The inner mitochondrial membrane and the enzyme complex ATP synthase are directly involved in the synthesis of ATP during chemiosmosis. Protons are pumped across the inner mitochondrial membrane, creating a proton gradient that drives the production of ATP by ATP synthase through oxidative phosphorylation.
Why do protons accumulate outside the membrane and why is this necessary?
Protons accumulate outside the membrane, so that a concentration-gradiënt is established. Because of this the protons want to flow inside, and this "current of protons" is enhanced by a membrane enzyme, called ATP-synthase to produce ATP. So, basically a potential is created, which can power the production of ATP.
Where does ATP synthesis occur in mitochondria?
ATP synthesis occurs in the inner mitochondrial membrane through a process known as oxidative phosphorylation. This process involves a series of protein complexes that use the energy generated by the flow of electrons along the electron transport chain to pump protons across the membrane, creating a proton gradient that drives the synthesis of ATP by ATP synthase.
Synthesis of ATP by the chemiosmotic mechanism occurs during?
The synthesis of ATP by the chemiosmotic mechanism occurs during cellular respiration, specifically in the inner mitochondrial membrane. This process involves the pumping of protons across the membrane, creating an electrochemical gradient that drives ATP synthase to produce ATP from ADP and inorganic phosphate.
Which theory explains ATP synthesis chloroplast and mitochondria?
The chemiosmotic theory explains ATP synthesis in both chloroplasts and mitochondria. This theory states that ATP is generated through the movement of protons across a membrane, creating a proton gradient that drives the synthesis of ATP by ATP synthase. In chloroplasts, this process occurs in the thylakoid membrane during photosynthesis, whereas in mitochondria, it occurs in the inner mitochondrial membrane during cellular respiration.
What is the effect of the flow of protons through the inner mitochondrial membrane?
The flow of protons through the inner mitochondrial membrane drives the synthesis of ATP through the process of oxidative phosphorylation. This flow creates a proton gradient, which is used by ATP synthase to produce ATP from ADP and inorganic phosphate. This process is known as chemiosmosis.
Chemiosmosis in mitochondria directly results in the synthesis of?
ATP through the movement of protons across the inner mitochondrial membrane via ATP synthase. This process creates a proton gradient, driving the production of ATP from ADP and inorganic phosphate.
Synthesis of ATP by chemiosmotic mechanism occurs during?
Synthesis of ATP by chemiosmotic mechanism occurs during oxidative phosphorylation in the inner mitochondrial membrane. Protons are pumped across the membrane by the electron transport chain, creating a proton gradient. ATP synthase then uses this gradient to generate ATP from ADP and inorganic phosphate.
Chemiosmosis in the thylakoid membrane is directly responsible for?
Chemiosmosis in the thylakoid membrane is directly responsible for the generation of ATP during photosynthesis. It involves the movement of protons across the thylakoid membrane to create a proton gradient, which drives the synthesis of ATP by ATP synthase enzyme.
Explain how the light reactions would be affected if there were no concentration gradient of protons across the thylakoid membrane?
The concentration gradient of protons is potential energy and is harnessed by an enzyme called ATP synthase. ATP synthase converts the potential energy of the proton concentration gradient into chemical energy stored in ATP (the process is called chemiosmosis). So without the protons, no ATP would be made, and therefore no light reaction would occur.
The generation of ATP by the movement of protons down their concentration gradient occurs in?
The generation of ATP by the movement of protons down their concentration gradient occurs in the electron transport chain during cellular respiration. This process is called chemiosmosis. The movement of protons creates a proton gradient across the inner mitochondrial membrane, which drives ATP synthesis by ATP synthase.
