Lesson 3.2 - ATP: Energy Currency of the Cell Flashcards

1
Q

Define Phosphorylation

A

The transfer of a phosphate group, usually from ATP, to another molecule.

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2
Q

What is the transfer of a phosphate group, usually from ATP, to another molecule known as?

A

Phosphorylation

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3
Q

Define ATP Cycle

A

The cyclic and ongoing breakdown and re-synthesis of ATP.

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4
Q

What is the cyclic and ongoing breakdown and re-synthesis of ATP known as?

A

ATP Cycle

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5
Q

_____ supplies energy directly to chemical reaction in all cells. It is the universal energy currency in living organisms.

A

ATP supplies energy directly to chemical reaction in all cells. It is the universal energy currency in living organisms.

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6
Q

ATP hydrolysis results in the formation of _____ and _____, and releases a large amount of free energy in the process.

A

ATP hydrolysis results in the formation of ADP and Pi, and releases a large amount of free energy in the process.

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7
Q

ATP hydrolysis can be coupled to endergonic reactions in a cell to power hundreds of reactions. This process is called _____.

A

ATP hydrolysis can be coupled to endergonic reactions in a cell to power hundreds of reactions. This process is called energy coupling.

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8
Q

Phosphorylation, the process of attaching a phosphate group to another organic molecule, causes the molecule to _____ free energy and become _____ reactive.

A

Phosphorylation, the process of attaching a phosphate group to another organic molecule, causes the molecule to gain free energy and become more reactive.

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9
Q

_____ is regenerated from ADP and Pi during part of the _____ cycle.

A

ATP is regenerated from ADP and Pi during part of the ATP cycle.

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