Question

The major role of minor elements inside living organisms is to play role of

• A. Co-factors of enzymes.
• B. Building blocks of important amino acids.
• C. Constituent of hormones.
• D. Binder of cell structure.

Answer 1

The correct option is A Co-factors of enzymes.

Micronutrients or microelements are those elements which are required in quantity of less than 10 millimole/kg of dry matter. Most of the micronutrients have a catalytic role. They are components of cofactors of enzymes, e.g., zinc (required for activity of alcohol dehydrogenase), copper (required for activity of cytochrome oxidase), nickel (required for activity of urease), etc.