Compare diffusion and facilitated diffusion

Diffusion is the movement of molecules from an area where the molecule is in high concentration to an area where the molecule is in lower concentration. Facilitated diffusion is the movement of a molecule from an area of high concentration to an area of lower concentration with the help of a protein channel or carrier.

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.