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Facilitated diffusion is a process whereby a substance passes through a membrane with a aid of an intermediary or a facilitator. The facilitator is an integral membrane protein that spans the width of the membrane. The force that drives the molecule from one side of the membrane to the other is the force of diffusion. and Diffusion is the process of movement of a substance from the region of higher concentration to the region of lower concentration so as to spread uniformly. Difference : Facilitated diffusion is when polar or charged molecules cross the cell membrane through a trans membrane channel protein. Diffusion is when small, non-polar molecules cross the cell membrane directly through the lipid bilayer. they can do so as they are hydrophobic and hence can pass through the hydrophobic core of the lipid bilayer. crossing the lipid bilayer is difficult for charged/polar particles as they are hydrophilic and large (as they may have hydration shells due to their charged nature), hence they have to cross through transport proteins.

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9y ago
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13y ago

Facilitated diffusion happens when a molecule is too large to fit through the membrane of a cell that it needs a protein pump to help it through. Diffusion is a molecule being able to diffuse through the membrane without assistance.

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10y ago

facilitated diffusion is the diffusion process enhanced by some external energy i.e. temperature, creating turbulance in medium

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Q: How does facilited diffusion differ from diffusion?
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Is Facilited diffusion is an example of passive transport?

Yes, facilitated diffusion is an example of passive transport. The cell does not expend any energy; integral proteins in the cell's surface membrane act as carriers.


How do osmosis differ from diffusion?

osmosis is diffusion through a membrane


Cells take in oxygen by simple diffusion and glucose by facilitated diffusion Therefore oxygen uptake and glucose uptake will differ from each other in all respects except what?

the need for ATP ANSWER Facilitated diffusion and diffusion do differ in ATP requirments


How do the roles of protein molecules in diffusion differ and active transport?

== == == == == == == == == ==


How does osmosis and diffusion differ?

Osmosis is a type of diffusion but through a barrier (membrane) while "diffusion" is not specified if there is a physical barrier or not. Gases diffuse through each other readily.


How do diffusion and osmosis differ from one another?

Diffusion and osmosis differ because diffusion is the process by which molecules spread out, or move from areas with high concentration to low concentration, and osmosis is the diffusion of water. Osmosis is a type of diffusion relating to water. It is usually used to describe the diffusion of water across a membrane (such as the cell membrane). Osmosis is also defined as the flow of solvent from a region of higher pressure toward a region of low pressure.


How does the bulk flow of filtrate into the capsule differ from diffusion?

The bulk flow of filtrate is a type of diffusion. Diffusion is a broad category of distribution of a substance within another substance. Diffusion can be specific or general in location and rate of flow.


How does faciliated diffusion differ from simple diffusion?

Facilitated diffusion needs some sort of help. Often it would be a protein. Simple diffusion doesn't. If you spill something smelly on the floor in the kitchen, you will smell it all through the house. It will spread by simple diffusion.


What statements tells how facilitated diffusion differ from simple diffusion?

Particles move through cell membranes w/out the use of energy by cells.


How do diffusion of gases differ in day time and night time in plants?

This is because during daytime there is exchange of O2 gas due to diffusion whereas at night time there is exchange of CO2 . This is how diffusion differ in day and night time


What is facilited diffusion?

Facilitated Diffusion is the movement of molecules across cell membranes through protein channels and carrier proteins.Facilitated diffusion is a passive transport process, aka no energy required, where substances move down their concentration gradient (high concentration to low concentration) across a protein through a membrane protein because it is unable to diffuse directly through the phospholipid portion of the membrane itself.Diffusion of molecules assisted by protein channels that pierce a cell membrane


Is the rate of filtration the same in all types of capillaries?

No. There are essentially three different capillaries that differ in the rate of diffusion.