4.2.1 Aerobic and Anaerobic Respiration

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9 Terms

1
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What is respiration?

Respiration is the process of transferring energy from glucose so living processes can occur. It happens in every cell.

2
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Is respiration exothermic or endothermic?

Respiration is exothermic, as energy is transferred to the environment.

3
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What are the two types of respiration?

Aerobic respiration (with oxygen) and anaerobic respiration (without oxygen).

4
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What happens in aerobic respiration?

Aerobic respiration uses oxygen, yields the most energy, and mainly occurs in the mitochondria. The word equation is: Glucose + Oxygen → Carbon dioxide + Water.

5
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What is the chemical equation for aerobic respiration?

C₆H₁₂O₆ + O₂ → CO₂ + H₂O.

6
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What happens in anaerobic respiration?

Anaerobic respiration occurs when oxygen is lacking. It produces less energy as glucose is incompletely oxidised.

7
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What is the equation for anaerobic respiration in animals?

Glucose → Lactic acid.

8
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What is the equation for anaerobic respiration in yeast and plants?

Glucose → Ethanol + Carbon dioxide.

9
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What is anaerobic respiration in yeast called, and what is it used for?

In yeast it is called fermentation. It is used to make bread and alcoholic drinks.