Which is required for chemiosmosis?

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(D) Chemiosmosis requires a membrane,a proton pump,a proton gradient,and $ATP$ synthase. $1$. $A$ membrane is required to separate the two compartment

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(D) Chemiosmosis requires a membrane,a proton pump,a proton gradient,and $ATP$ synthase. $1$. $A$ membrane is required to separate the two compartments. $2$. $A$ proton pump is needed to create a concentration gradient of protons ($H^+$ ions) across the membrane. $3$. $A$ proton gradient (difference in $H^+$ concentration) provides the potential energy necessary for $ATP$ synthesis. $4$. $ATP$ synthase is the enzyme that facilitates the movement of protons back across the membrane,using the energy released to synthesize $ATP$ from $ADP$ and inorganic phosphate. Therefore,all the listed components are essential for the process.

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