Chemistry for Biologists

Respiration

1. Glycolysis takes place in:
chloroplasts
cytoplasm
vacuole
mitochondria
2. If one molecule of glucose is completely oxidised to H2O and CO2, a total of:
36 molecules of ATP may be produced
38 molecules of ATP may be produced
32 molecules of ATP may be produced
34 molecules of ATP may be produced
3. The Krebs cycle and oxidative phosphorylation take place in:
vacuole
mitochondria
chloroplasts
cytoplasm
4. The net number of ATP molecules produced when one molecule of glucose passes through the anaerobic stage of respiration is:
4
3
1
2
5. When one molecule of high energy NAD enters the electron transfer chain during oxidative phosphorylation, the number of ATP molecules formed is:
3
4
1
2
6. The stage of respiration during which water is evolved is:
the electron transport chain
oxidative phosphorylation
phosphorylation
the Krebs cycle
7. The stage of respiration in which glucose is converted to pyruvate is:
phosphorylation
the Krebs cycle
the electron transport chain
oxidative phosphorylation
8. The stage of respiration during which carbon dioxide is evolved is:
the electron transport chain
oxidative phosphorylation
phosphorylation
the Krebs cycle
9. During anaerobic respiration in yeast, glucose is converted to:
oxygen
oxygen and water
ethanol and carbon dioxide
water and carbon dioxide
10. Energy to convert glucose to hexose bisphosphate in phosphorylation is provided by:
NAD
ADP
AMP
ATP

 

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