These are macronutrients required by the cell.
Iron: Occupies center of heme molecule in Hemoglobin, the red respiratory pigment.
Part of several enzymes associated with respiration especially hemoglobin and cytochromes.
Part of Ferrodoxin, a non-heme protein that catalyzes one step in the photosynthetic process.
Phosphorus: Constituent of several compounds found in all living cells, both DNA and RNA.
Part of Adenosine Tri Phosphate or ATP, an energy transferring compound.
Part of several co enzymes
Phospholipids are components of cell membrane.
Important constituent of bone.
Calcium: Major constituent of bones and teeth in animals
Part of middle lamella, cementing substance that holds the cells of plants together .
Plays an important role in blood clotting.
Potassium: An enzyme activator.
Important in maintain acid-base equilibrium of cell.