| (i) glucose + homogenised cells |
| (ii) glucose + mitochondria |
| (iii) glucose + cytoplasm lacking organelles |
| (iv) pyruvic acid + homogenised cells |
| (v) pyruvic acid + mitochondria |
| (vi) pyruvic add + cytoplasm lacking organelles After incubation, in which three tubes would carbon dioxide be produced? |
A) (i), (ii) and (iii)
B) (i), (iv) and (v)
C) (iii), (iv) and (vi)
D) (iii), (v) and (vi)
Correct Answer: B
Solution :
[b] Glucose and pyruvic acid serve as sources of substrates which the homogenised cells can oxidise in glycolysis and Krebs cycle respectively Mitochondria however, can only oxidise pyruvic acid via the Krebs cycle.
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