Question

Write the biological importance to sodium and potassium

Answer 1

Potassium ions are primarily found inside the cell.

Potassium ions maintain the osmolarity (the concentration of a solution expressed as the total number of solute particles per litre) of the cell. They also regulate the opening and the closing of the stomata.

Potassium ions acts as cofactor for certain enzymes such as pyruvate kinase.

Potassium is important in heart function and in skeleton and muscle contraction.

Diets with low potassium leads to hypertension.

It maintains the electrolyte balance in the body.

Sodium ions are primarily found inside the human cells such as Nerve Cells. They regulate the flow of water across the membrane.

They are needed for transport of sugars and amino acids into the cells.

Sodium maintains the electrolyte balance in the body.

Answer 2

These two have great importance in Biology because Potassium helps in functioning of Heart, contractions of muscles and Skeletal system. As Potassium is an essential micronutrients mineral of body and it works as ions for many cells. It is present in both plant and human tissue or cells.
Sodium is the mineral that helps in regulating the flow of water accross the membranes. It is found in human's nerve cell. They are needed to transport sugar and amino acid to the cells and they maintain they balance of electrolytes in the cell.



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