Question

Does anyone know how to 'comprehensively explain diffusion and osmosis, with direct relation and inclusion of the cellular organelles used?'

Answer 1

There are two types of transport within cells : active and passive. Active transport requires energy, whereas passive transport doesn't require energy input. These transports occur in cell membrane.

Diffusion and osmosis are both passive transport, although there is something called facilitated diffusion which requires energy (to open gates or pumps). Osmosis itself is specifically for water (or at least that's what my teacher told me). Diffusion is for larger molecules.

<I'm sorry if this is not comprehensive enough, I learned this last term and can't really remember more about it :P>

Answer 2

If two solutions of different concentration are separated by a semi-permeable membrane which is permeable to to the smaller solvent molecules but not to the larger solute molecules, then the solvent will tend to diffuse across the membrane from the less concentrated to the more concentrated solution. This process is called osmosis.


Diffusion refers to the process by which molecules intermingle as a result of their kinetic energy of random motion.it could also be defined as a process by which molecules spread from areas of high concentratiion, to areas of low concentration. When the molecules are even throughout a space - it is called EQUILIBRIUM

Answer 3

Diffusion is the movement of solutes from area of higher concentration to lower concentration while Osmosis is the movement of water from area of higher concentration to lower concentration. These happen in a semi-permeable membrane (cell)