Multiple choice

Which of the following essential elements is not a constituent of any enzyme, but stimulates the activity of many enzymes?

  1. Zn

  2. K

  3. Mg

  4. Mn
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Potassium (K) is not a structural component of any organic compound in plants, but it acts as a vital activator for over 60 enzymes. It also plays a key role in maintaining osmotic balance and stomatal movement.

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