Chapter 4 Flashcards

Exercise Metabolism and Bioenergetics

1
Q

the process where energy is made available; the accumulation of chemical and physical processes by which material substance is created, destroyed and maintained.

A

metabolism

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2
Q

the study of how energy transforms within living systems.

A

bioenergetics

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3
Q

the total of all the bodily processes from the stress that exercise produces.

A

exercise metabolism

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4
Q

the substance acted on by an enzyme

A

substrate

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5
Q

organic compound that is the primary supporting tissue for plants.

A

carbohydrate

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6
Q

sugar that comes in many forms, occurring primarily in tissues, fluids, and fruits; primary end product after the digestion of carbs.

A

glucose

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7
Q

polysaccharide; tasteless, white, primary carbohydrate storage in mammals; occurs primarily in the muscles and liver.

A

glycogen

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8
Q

organic compound that is insoluble in water, but soluble in alcohol and ether.

A

fat

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9
Q

three fatty acids connected to a glycerol; makes up most of the fat storage in the human body.

A

triglycerides

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10
Q

multiple linked AAs (20+) in a linear sequence forming one or more polypeptide chains.

A

protein

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11
Q

when glucose is formed from a non-carbohydrate such as fats or protein.

A

gluconeogenesis

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12
Q

the transfer and energy storage unit inside of the cells of the body.

A

adenosine triphosphate (ATP)

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13
Q

What happens when the chemical bonds that hold together ATP break?

A

energy is released for work (such as the contraction of a muscle), leaving behind ADP (adenosine diphosphate)

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14
Q

a compound of high energy from which ATP is formed.

A

ADP / adenosine diphosphate

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15
Q

defines the elevation in metabolism after higher intensity exercises

A

EPOC / Excess Post-Exercise Oxygen Consumption

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16
Q

Why does high intensity exercise increase metabolism immediately afterwards?

A

EPOC; the increase in oxygen consumption and metabolism

17
Q

What is the first step in the oxidation of fat?

A

Beta-oxidation

18
Q

Which metabolic pathway produces the most ATP?

A

Oxidative Phosphorylation