Which of the following is an essential minera | vedclass

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(D) The correct answer is $D$. Potassium $(K^+)$ is an essential macronutrient for plants. Unlike many other mineral elements that act as cofactors or

Vedclass · Accepted Answer

$K$

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(D) The correct answer is $D$. Potassium $(K^+)$ is an essential macronutrient for plants. Unlike many other mineral elements that act as cofactors or structural components of enzymes,potassium does not become a permanent constituent of any enzyme molecule. Instead,it acts as an activator for more than $40$ enzymes involved in critical metabolic processes such as phosphorylation,photosynthesis,starch synthesis,respiration,and the synthesis of chlorophyll,$DNA$,and proteins.

Which of the following is an essential mineral element that is not a constituent of any enzyme but stimulates the activity of many enzymes?

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