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Edexcel IGCSE Biology > Respiration > Flashcards

Respiration Flashcards

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1
Q

What is the purpose of respiration?

A

To produce energy in the form of ATP from larger molecules (like sugars)

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2
Q

What type of reaction is respiration?

A

Respiration is an exothermic reaction

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3
Q

When does aerobic respiration take place?

A

When there is plenty of oxygen available

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4
Q

What is the symbol equation for aerobic respiration?

A

C6H12O5 + 6O2 > 6CO2 + 6H2O (+energy)

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5
Q

When does anaerobic respiration take place?

A

When there is no oxygen available

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6
Q

What does anaerobic respiration in animals produce?

A

Lactic acid and energy

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7
Q

Which type of respiration produces more ATP?

A

Aerobic respiration which produces 36 ATP compared to anaerobic respiration which produces only 2 ATP

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8
Q

What is oxygen debt?

A

The extra oxygen that is needed to break down the lactic acid formed in the anaerobic respiration

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Edexcel IGCSE Biology (31 decks)

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