DP Biology (first assessment 2025)

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Question 23M.2.SL.TZ2.7b

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Date May 2023 Marks available [Maximum mark: 5] Reference code 23M.2.SL.TZ2.7b
Level SL Paper 2 Time zone TZ2
Command term Explain Question number b Adapted from N/A
b.
[Maximum mark: 5]
23M.2.SL.TZ2.7b
(b)

Explain how animal cells produce the ATP that they need.

[5]

Markscheme
  1. respiration/cell respiration;
  2. energy released from glucose/lipids/organic compounds;
  3. anaerobic respiration does not require oxygen;
  4. lactate is produced in anaerobic respiration/word equation for anaerobic respiration;
  5. oxygen used in aerobic respiration;
  6. carbon dioxide and water produced in aerobic respiration/word equation for aerobic respiration;
  7. mitochondria used for aerobic respiration;
  8. larger yield of ATP from aerobic than anaerobic respiration;

 

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