Question

Water is significant molecule that connects physical world with biological process. Justify.

Answer 1

1. Water is a key component of the cell, accounting for 90-95% of protoplasm. It serves as a thermal insulator.
2. Water in its liquid condition is the finest solvent for dissolving and transporting various minerals and food components.
3. Water molecules have high adhesive and cohesive forces of attraction.
4. Because of the high surface tension and adhesion forces, it can rise in capillaries. As an example, consider sap ascent in plants.
5. Because of all of these critical features, it is an important molecule that connects the physical environment with biological processes.