Question

What is the purpose of passive transport?

Answer 1

Passive Transport:

1. Passive transport is the movement of solute molecules or ions from a higher concentration to a lower concentration across the cell membrane.
2. This does not require any external energy for the transportation of molecules.
3. The purpose of passive transport is to keep the cell's balance and at equilibrium.
4. Passive transport includes three methods: osmosis, simple diffusion, and facilitated diffusion.
5. The exchange of gases in the alveoli of the lungs and the exchange of nutrients in the kidneys are instances of passive transport.