Tropical plants such as sugarcane show high efficiency of CO2 fixation because of:
Correct answer: B. Hatch-slack
- A. Calvin cycle
- B. Hatch-slack
- C. TCA-cycle
- D. All of these
Explanation
The high efficiency of carbon dioxide (CO2) fixation in C4 plants, including tropical plants like sugarcane, is indeed associated with the Hatch-Slack pathway. The Hatch-Slack pathway, also known as C4 photosynthesis, is a mechanism that allows these plants to efficiently fix carbon dioxide even under high temperatures and intense sunlight.
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Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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