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Question
Which of the following is essential mineral elements and is not a constituent of any enzyme but stimulate the activity of many enzymes?
Which of the following is essential mineral elements and is not a constituent of any enzyme but stimulate the activity of many enzymes?
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Solution
The correct option is D K
Essential mineral elements are those which are absorbed from the soil by plants. These elements are necessary for normal growth and reproduction of plants. These include nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, chlorine, iron, manganese, zinc, copper, molybdenum and nickel. Zinc is constituent of many enzymes like succinate dehydrogenase, carboxypeptidase. Magnesium and manganese act as activator or inhibitor of many enzymes. Potassium stimulates the activity of around 40 enzymes. These enzymes are involved in various processes such as phosphorylation, photosynthesis, respiration, chlorophyll synthesis, etc.Thus, the correct answer is option D.
Essential mineral elements are those which are absorbed from the soil by plants. These elements are necessary for normal growth and reproduction of plants. These include nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, chlorine, iron, manganese, zinc, copper, molybdenum and nickel. Zinc is constituent of many enzymes like succinate dehydrogenase, carboxypeptidase. Magnesium and manganese act as activator or inhibitor of many enzymes. Potassium stimulates the activity of around 40 enzymes. These enzymes are involved in various processes such as phosphorylation, photosynthesis, respiration, chlorophyll synthesis, etc.
Thus, the correct answer is option D.
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