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Biology for Advanced Level Secondary Schools
transport chain during the in nuts, is C H O . Calculate
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formation of ATP. its respiratory quotient.
9. Explain why NADH gives more 13. What is the role of oxygen in
ATP than FADH in the electron respiration?
transport chain.
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14. Explain why athletes normally
10. Aerobic respiration in face the problem of muscle fatigue.
mitochondria generates a much 15. Making bread, beer, wine and
larger amount of ATP compared cheese are the processes, which
to glycolysis alone, making it involve fermentation. Choose one
a highly efficient process for of these products and describe the
cellular energy production. Briefly involvement of fermentation in its
describe how the mitochondrion production.
generate ATP through aerobic
respiration that contributes to 16. Discuss why it is not advisable
cellular metabolism. to sleep in a room with air-tight
windows while the burning
11. Explain why glycolysis is an charcoal or potted plants are
effective means of energy inside.
production during a short intense
exercise. 17. Explain how partial pressures of
CO and O may influence the
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12. (a) What is the respiratory quotient? process of gas exchange in plants
(b) The molecular formula of and animals
Linoleic acid, a fatty acid found
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