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z - biology > NOT ON EXAM respiration > Flashcards

NOT ON EXAM respiration Flashcards

1
Q

what happens in aerobic respiration?

A

its when animals such as humans use oxygen and glucose to make energy

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2
Q

what happens in anaerobic respiration?

A

when there is not enough oxygen we anaerobically respire

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3
Q

what is the aerobic respiration word equation?

A

glucose + oxygen -> carbon dioxide + water

- energy is released

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4
Q

how much energy gets released in aerobic respiration?

A

lots of energy because the glucose molecule has been fully oxidised

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5
Q

what is the symbol equation for glucose?

A

C6H12O6

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6
Q

what happens when there is not enough oxygen?

A

respire anaerobically

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7
Q

equation for anaerobic respiration in muscles?

A

glucose -> lactic acid

- energy is released

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8
Q

why does anaerobic respiration produce less energy than aerobic?

A

its because the oxidation of glucose is in

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9
Q

equation for anaerobic respiration in muscles?

A

glucose -> lactic acid

- energy is released

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10
Q

what is the word equation for anaerobic respiration in plant and yeast cells?

A

glucose -> ethanol + carbon dioxide

- energy is released

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11
Q

what are the uses of energy from respiration in the body?

A
  • muscle contraction
  • protein synthesis
  • cell division
  • active transport
  • the passage of nerve impulses
  • the maintenance of constant body temperature
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12
Q

what is the balanced chemical equation for aerobic respiration?

A

C6H12O6 + 6O2 -> 6CO2 + 6H2O

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13
Q

how does temperature affect respiration?

A
  • enzymes control the rate of respiration, so they become denatured at high temps
  • after about 35ºC
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14
Q

how does temperature affect respiration?

A
  • enzymes control the rate of respiration, so they become denatured at high temps
  • after about 35ºC it will anaerobically respire
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15
Q

when does anaerobic respiration happen in humans?

A

happens when doing vigorous exercise

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16
Q

because lactic acid is dangerous to the human body it breaks it down, what does our body do to break it down?

A
  • aerobic respiration in the liver (breaks it down into carbon dioxide and water)
  • higher heart rate (so it can be transported in the blood)
  • deeper breathing (provides oxygen)

z - biology (21 decks)

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