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Here are a few examples--tam89 said:what factors will affect the speed of diffusion??
Thanks
hmm.. I think for 1, they are looking for answers such as Na+ and Cl- ions, as they actually diffuse through pores of the membrane.tam89 said:Thanks.
Also.. not sure if these answers are right:
(i) Name 2 molecules that cross the plasma membrane by diffusing through pores.
Oxygen gas and water?
(ii) Name 2 molecules that cross the plasma membrane by dissolving in the lipid component of the plasma membrane.
Carbon dioxide, urea?