Biology (B2): Aerobic and anaerobic respiration

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Why do we need to respire?
Energy that is then used to maintain body temperature, allow muscles to contract, cell growth, repair and maintenance.
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The difference between oxygen taken in during exercise and oxygen needed is called what?
Oxygen defecit/ oxygen debt.
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2 examples of when plants or micro-organisms would use anaerobic respiration.
Plants with roots in sodden soil and bacteria in puncture wounds.
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What is the word equation for aerobic respiration?
Glucose + oxygen -> (energy released) + carbon dioxide + water
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What is the chemical equation for aerobic respiration?
C6H12O6 + 6O2 -> 6CO2 + 6H2O + 2900KJ/mol of glucose.
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What is the word equation for anaerobic respiration?
Glucose -> (energy released) + lactic acid
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What is the chemical equation for anaerobic respiration?
C6H12O6 -> 2C3H6O3 + 120KJ/mol of glucose.
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How is lactic acid removed form the muscles?
Via blood flowing through the muscles.
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Due to anaerobic respiration not being able to gain enough energy, what happens to the body?
Heavy breathing -> Oxygen debt -> Not enough oxygen taken in during exercise
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Why is anaerobic respiration not sustainable?
Lactic acid is poisonious -> causes muscle cramps & not enough energy produced.
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Other cards in this set

Card 2

Front

The difference between oxygen taken in during exercise and oxygen needed is called what?

Back

Oxygen defecit/ oxygen debt.

Card 3

Front

2 examples of when plants or micro-organisms would use anaerobic respiration.

Back

Preview of the front of card 3

Card 4

Front

What is the word equation for aerobic respiration?

Back

Preview of the front of card 4

Card 5

Front

What is the chemical equation for aerobic respiration?

Back

Preview of the front of card 5
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