Question

i am doing a wkst on diffusion and i dont know three substances that can move into and out of a cell.

Answer 1

- water
- ions (sodium, kalium etc.)
- fat and steroids
- glucose
- proteins
- some hormones

pick your favourites, but not all of my examples can diffuse through the membrane.

Answer 2

water, nutrients, and waste products <- these are the constants read in most of the books

Answer 3

- water - ions (sodium, kalium etc.) - fat and steroids - glucose

Answer 4

why are you copying my answer, hei?