IB Biology SL 8.2.4 Cellular respiration Question Bank

Practise IB Biology SL 8.2.4 by explaining how controlled oxidation of organic compounds releases energy for ATP and cell processes.

Exam points

Define cellular respiration as controlled energy release from organic compounds to produce ATP.
Outline aerobic respiration and relate oxidation, oxygen use and ATP generation to cell needs.

[Maximum number: 2]

Describe cell respiration in terms of metabolism.

a. «cell respiration is metabolism because» enzymes control the reactions

b. energy is released from complex molecules «to make ATP»

c. respiration is catabolic (metabolism)

OR complex molecules become simpler

OR
$\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \text { to } \mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$

2 max

All question bank results loaded

C1.2.4—Cell respiration system question 1