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The catalytic knobs of ATP synthase would be located on the stromal side of the membrane. Protons travel through ATP synthase from the thylakoid space to the stroma.
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Where are ATP synthase complexes located?
They are found in mitochondria and in chloroplasts.In mitochondria, the ATP synthase complexes are embedded in the inner membrane. In chloroplasts, the ATP synthase complexes are embedded in the thylakoid membranes.
What drives the ATP synthase reactions that produced ATP?
The proton gradient produced by the electron transport chain powers ATP production. This process is called chemiosmosis, in which H+ ions from the thylakoid space (in mitochondria they are in the intermembrane space) pass through ATP synthase to areas of lower concentration (in chloroplasts, the stroma, and in mitochondria, the mitochondrial matrix). As they pass through ATP synthase, the catalytic knob of the ATP synthase is turned. The turning of this knob (which is powered by diffusion of H+ ions) powers the anabolic production of ATP.
When ATP synthase in activated it adds a phosphate group to what molecule?
ATP synthase catalyzes the addition of a phosphate group to an ADP molecule. ADP + ATP synthase + P --> ATP + ATP synthase (ATP synthase on both sides of the equation indicates that, as an enzyme, it is not used up in the reaction.)
Where are parts of the chloroplast ATP synthase located that are involved in the phosphorylation of ADP to ATP?
On the stroma side of the thylakoid membrane
What spins to provide energy for adding a phosphate group to ADP?
The rotor part of the ATP synthase enzyme.
Which protein complex allows hydrogen ions to rush out of the thylacoid providing energy that can be used to make a molecule?
ATP synthase allows H+ ions to pass through the thylakoid membrane.
What is the difference between ATPase and ATP synthase?
They both are enzymes related to ATP. The difference lies in that ATPase breaks down ATP while ATP synthase synthesizes ATP.
Where in the process of cellular respiration does ATP synthase make ATP?
ATP synthase is involved in making ATP + P at the membrane in the mitochondria. This occurs at the beginning of the Krebs cycle.
Which of these phosphorylates ADP to make ATP?
ATP synthase
What are enzymes that creates ATP called?
ATP Synthase
Which of the following couples chemiosmosis to energy storage?
ATP synthase couples chemiosmosis to energy storage.
Which of the following is false about the structure and function of ATP synthase?
At least 10 protons pass through ATP synthase in order to make a molecule of ATP.
