3.1.6 ATP Flashcards

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1
Q

Q: What is a molecule of ATP composed of?

A

A: A molecule of ATP is composed of ribose (a sugar), adenine (a nitrogenous base), and three phosphate groups.

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2
Q

Q: What enzyme catalyzes the hydrolysis of ATP?

A

A: The enzyme ATP hydrolase catalyzes the hydrolysis of ATP.

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3
Q

Q: What are the products of ATP hydrolysis?

A

A: The products of ATP hydrolysis are adenosine diphosphate (ADP) and an inorganic phosphate group (Pi).

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4
Q

Q: How is the hydrolysis of ATP used in cells?

A

A: The hydrolysis of ATP can be coupled to energy-requiring reactions within cells, providing the necessary energy.

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5
Q

Q: What happens to the inorganic phosphate released during ATP hydrolysis?

A

A: The inorganic phosphate (Pi) released can be used to phosphorylate other compounds, often making them more reactive.

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6
Q

Q: How is ATP resynthesized?

A

A: ATP is resynthesized by the condensation of ADP and Pi, a reaction catalyzed by the enzyme ATP synthase during photosynthesis or respiration.

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