Magnesium is important for the synthesis of which of the following?
Correct answer: A. Chlorophyll
- A. Chlorophyll
- B. Protein synthesis
- C. Glucose metabolism
- D. All of these
Explanation
Magnesium is essential for the synthesis of chlorophyll, the pigment responsible for capturing light energy in photosynthesis. It forms the central atom in the chlorophyll molecule, which is crucial for plants to convert sunlight into chemical energy. Magnesium is not directly involved in protein synthesis, which primarily requires nitrogen, or in the synthesis of glucose, although it does play a supportive role in glucose metabolism.
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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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