DIffusion, Osmosis, AT

Question 1

What is diffusion?

Answer 1

The net movement of particles from an area of high conc. to an area of low concentration.

Question 2

Does Diffusion require energy

Answer 2

NO its passive.

Question 3

Name 3 factors that affect the rate of diffusion.

Answer 3

Concentration, Temperature and surface area.

Question 4

What is Osmosis.

Answer 4

The net movement of water molecules from a region of high water potential to a region of low water potential through a partially permeable membrane

Question 5

What is Active Transport?

Answer 5

The movement of particles against a concentration gradient from a region of low conc. to high conc. using energy from respiration (ATP).