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ATP Synthase
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This model of ATP Synthase (ATPase) lets students explore how a proton concentration gradient is used to store energy in the form of ATP. Protons are placed into the protein through the hole on the topside of the membrane. The protons move into the c-subunit. After each proton is added, rotate the c-subunit. Eventually, the proton will drop out the bottom of the membrane. As the c-subunit is spun, the alpha and beta subunits will move, simulating the conformational changes that occur in order fo
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