Movement of substances in and out of cells

Question 1

What are the factors that affect how fast substances can move in and out of cells?

Answer 1

Surface area to volume ratio
Temperature
Distance
Concentration gradient

Question 2

What is osmosis?

Answer 2

The movement of water molecules across a partially permeable membrane. Where water particle moves from an area of high concentration to low concentration

Question 3

Whats diffusion?

Answer 3

The movement of particles from an area of high concentration to low concentration

Question 4

What is active transport?

Answer 4

the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.