which of the following process includes all the others? a. osmosis b. passive transport c.facilitated diffusion...

which of the following process includes all the others?

a. osmosis

b. passive transport

c.facilitated diffusion

d.diffusion of a solute across a membrane

e. transport of an ion down its electorchromical gradient

help ~!

Expert Solution

Passive transport will include all the other processes.

Explanation:

Osmosis is the movement of solvent molecules across two compartments from lower solute concentration to a higher solute concentration.

Passive transport, a kind of diffusion is the movement of solute molecules across two compartments from the higher concentration to lower concentration gradient.

Facilitated diffusion, a kind of passive transport wherein, the movement of the solute from the higher concentration gradient to lower concentration gradient is being facilitated by a an agent like transmembrane proteins on cell membrane.

Diffusion through a membrane, will refer to the movement of a solute from high concentration gradient to lower concentration gradient across a membrane. Passive transport is an example of diffusion through membrane.

Transport of an ion down its electrochemical gradient happens when there is a difference in the charge of compartments across a membrane. This difference is due to the concentration of the ion and the charge of the ion. For example, high concentration of positively charged ion in compartment A will tend to diffuse towards compartment B with negative charge, due to low concentration of the positively charged ion. This will happen until the net charge becomes zero.

So, all the above-mentioned processes describe the transport mechanism which is driven by the concentration gradient and does not require energy in order for the process to happen. The principle of passive transport will include all the other processes explained above.

gladiator answered 1 year ago

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