Stroma of chloroplast carries the fixation of:
Correct answer: D. Carbon dioxide
- A. Nitrogen
- B. Oxygen
- C. Carbon monoxide
- D. Carbon dioxide
Explanation
Carbon dioxide (CO2) is fixed in the stroma of chloroplasts during the light-independent reactions, also known as the Calvin cycle or the dark reactions. In this process, carbon dioxide molecules are captured and converted into organic molecules, such as glucose, through a series of enzymatic reactions. This fixation of carbon dioxide is crucial for the synthesis of organic compounds,
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About Bioenergetics
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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