Chapter 9 - Respiration Flashcards

1
Q

Why is glucose needed in respiration

A

to provide energy

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2
Q

where does aerobic respiration occur

A

mitochondria

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3
Q

why is aerobic respiration an exothermic reaction

A

because heat is made

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4
Q

what are the reactants of aerobic respiration

A

glucose and oxygen

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5
Q

what are the products of aerobic respiration

A

water and carbon dioxide

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6
Q

why would anaerobic respiration be used in the body

A

if the body needs oxygen

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7
Q

what activities would need anaerobic respiration after in the body

A

exercise, running

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8
Q

why does anaerobic respiration provide less energy than aerobic respiration

A

because glucose is fully oxidised

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9
Q

where does anaerobic respiration occur

A

cytoplasm

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10
Q

when is lactic acid produced

A

in anaerobic respiration

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11
Q

what does a build up in lactic acid cause

A

tiredness

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12
Q

where is lactic acid taken too

A

liver

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13
Q

why is lactic acid taken to the liver

A

it can be oxidised back to glucose

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14
Q

what is oxygen debt

A

The amount of extra oxygen required by the body for recovery after vigorous exercise.

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15
Q

what is fermentation

A

anaerobic respiration in plants and yeast cells

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16
Q

where does fermentation happen inside a plant cell

A

cytoplasm

17
Q

what is fermentation used for

A

making bread, alcohol

18
Q

what is the word equation for fermentation

A

glucose —-> carbon dioxide + ethanol

19
Q

what is metabolism

A

sum of all the reactions of the cell or the body

20
Q

what does an increase in heart rate cause

A

oxygenated blood is moved around the body faster and carbon dioxide is removed faster

21
Q

what does an increase in breathing rate cause

A

increase in the amount of oxygen is taken into the lungs

22
Q

what does an increase in breath volume cause

A

a greater volume of oxygen is taken in with each breath

23
Q

what can glucose be turned into for storage

A

fats, oils, starch

24
Q

what can glucose produce to strengthen cell walls

A

cellulose

25
Q

what can glucose be turned into to make proteins

A

amino acids