Question 1

Define cellular respiration

Accepted Answer

The breaking of C–C bonds of complex compounds through oxidation within cells, releasing energy that is trapped as ATP.

Question 2

What are respiratory substrates? Most common one?

Accepted Answer

Compounds oxidised during respiration. Usually carbohydrates (glucose), but proteins, fats and organic acids can also be used.

Question 3

Why is ATP the 'energy currency'?

Accepted Answer

Energy from oxidation isn't used directly; it is used to make ATP, which is broken down wherever/whenever energy is needed.

🦠 Respiration in Plants Flashcards

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