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The ion which activates many enzymes involved in photosynthesis,respiration, nitrogen metabolism is
- a)zinc ions
- b)manganous ions
- c)sodium ions
- d)potassium ions
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The ion which activates many enzymes involved in photosynthesis,respir...
It is absorbed in the form of manganous ions (Mn2+). Itactivates many enzymes involved in photosynthesis, respiration and nitrogen metabolism.
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The ion which activates many enzymes involved in photosynthesis,respir...
Manganous ions are the ions which activates many enzymes involved in photosynthesis, respiration and nitrogen metabolism. Let's understand this in detail:
Enzymes in photosynthesis:
- Manganese ions (Mn2+) are involved in the oxygen-evolving complex (OEC) of photosystem II (PSII).
- They are essential for the oxidation of water into oxygen during the light-dependent reactions of photosynthesis.
- Without manganese ions, photosynthesis cannot occur efficiently.
Enzymes in respiration:
- Manganese ions are also involved in the electron transport chain of cellular respiration.
- They act as cofactors for enzymes such as pyruvate carboxylase, which is involved in the conversion of pyruvate into acetyl-CoA.
- Manganese ions also activate enzymes involved in the Krebs cycle, which generates ATP during respiration.
Enzymes in nitrogen metabolism:
- Manganese ions are required for the activity of enzymes involved in nitrogen metabolism, such as nitrogenase.
- Nitrogenase is responsible for converting atmospheric nitrogen (N2) into ammonia (NH3), which is then used by plants to make amino acids and other nitrogen-containing compounds.
Overall, manganese ions play a crucial role in the functioning of many enzymes involved in essential metabolic processes such as photosynthesis, respiration and nitrogen metabolism.
Enzymes in photosynthesis:
- Manganese ions (Mn2+) are involved in the oxygen-evolving complex (OEC) of photosystem II (PSII).
- They are essential for the oxidation of water into oxygen during the light-dependent reactions of photosynthesis.
- Without manganese ions, photosynthesis cannot occur efficiently.
Enzymes in respiration:
- Manganese ions are also involved in the electron transport chain of cellular respiration.
- They act as cofactors for enzymes such as pyruvate carboxylase, which is involved in the conversion of pyruvate into acetyl-CoA.
- Manganese ions also activate enzymes involved in the Krebs cycle, which generates ATP during respiration.
Enzymes in nitrogen metabolism:
- Manganese ions are required for the activity of enzymes involved in nitrogen metabolism, such as nitrogenase.
- Nitrogenase is responsible for converting atmospheric nitrogen (N2) into ammonia (NH3), which is then used by plants to make amino acids and other nitrogen-containing compounds.
Overall, manganese ions play a crucial role in the functioning of many enzymes involved in essential metabolic processes such as photosynthesis, respiration and nitrogen metabolism.
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The ion which activates many enzymes involved in photosynthesis,respir...
Magnesium ions play critical roles in many aspects of cellular metabolism. They stabilize structures of proteins, nucleic acids, and cell membranes by binding to the macromolecule's surface1-3 and promote specific structural orcatalytic activities of proteins, enzymes, or ribozymes..
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The ion which activates many enzymes involved in photosynthesis,respiration, nitrogen metabolism isa)zinc ionsb)manganous ionsc)sodium ionsd)potassium ionsCorrect answer is option 'B'. Can you explain this answer?
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