Chapter 8 Flashcards

0
Q

Conservation of energy refers to…

A

Energy can neither be created nor destroyed

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1
Q

An example of kinetic energy

A

Any form of motion

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2
Q

Chemical energy is a form of ____ energy?

A

Potential

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3
Q

What process converts chemical energy in glucose to chemical energy in ATP?

A

Cellular respiration

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4
Q

What is by-product of cellular respiration?

A

Heat, carbon dioxide, and water

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5
Q

What is true about the combustion of glucose with oxygen?

A

The entropy of the products is greater than the entropy of the reactants

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6
Q

What is true about equilibrium of chemical reactions?

A

A reaction that is at equilibrium is not capable of doing any work

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7
Q

A–> B + C + heat is an___ reaction

A

Exergonic

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8
Q

A ____ reaction occurs spontaneously

A

Exergonic

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9
Q

A ____ reaction requires a net input of energy from it’s surroundings

A

Endergonic

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10
Q

In cells, what is usually the immediate source of energy for an Endergonic reaction?

A

ATP

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11
Q

The reaction ADP + P —> ATP is a ___

Reaction

A

Endergonic

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12
Q

The energy for an Endergonic reaction comes from an __ reaction

A

Exergonic

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13
Q

What is the fate of the phosphate group that is removed when ATP is converted to ADP?

A

It’s acquired by a reactant in an Endergonic reaction

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14
Q

What is energy coupling?

A

The use of energy released from an exergonic reaction to drive an Endergonic reaction

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15
Q

What type of reaction breaks the bonds that join the phosphate groups in ATP?

A

Hydrolysis

16
Q

What is true about feedback regulation of a metabolic pathway?

A

The final product of a metabolic pathway is usually the compound that regulates the pathway