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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.

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How is faciliated transport similar to simple diffusion?

Facilitated and simple diffusion both transport solutes along a concentration gradient and neither processes require any ATP expenditure.


What statements tells how facilitated diffusion differ from simple diffusion?

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


By what process are bacteria brought into a cell?

Bacteria can enter a cell through a process called phagocytosis, where the cell engulfs the bacteria using its cell membrane. Alternatively, some bacteria can invade cells by injecting proteins that manipulate the host cell machinery to gain entry.


Does faciliated diffusion require energy?

Facilitated diffusion does not require energy because it relies on the use of carrier proteins to transport molecules across a cell membrane down their concentration gradient. These carrier proteins facilitate the movement of specific molecules such as glucose or ions without the need for ATP or energy input.


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?

Oxygen uptake and glucose uptake will differ in terms of the transport mechanisms involved, as oxygen is taken in by simple diffusion while glucose requires facilitated diffusion. Other factors such as energy requirements, concentration gradients, and specific transport proteins involved may also vary between the two processes.


How does the structure of the plasma membrane determines the route taken by vitamin C and vitamin D?

Vitamin C is water soluable so the only way it can be transported is by faciliated difficusion using a channel protein. Channel proteins allow polar, watersoluable substances and ions to pass across the cell membrane using faciliated diffusion. Vitamin D is lipid soluble therefore it can pass through using simple diffusion because the phospholipid bilayer lets it pass through down its concentration gradient.


Are osmotically active substances simple diffusion or active transport?

simple diffusion.


Is simple diffusion the net diffusion of a solvent?

no


What are the 3 types of diffusion?

simple diffusion, osmosis and facilitated diffusion.


What type of transport is faciliated diffusion?

Neither of these require energy. Diffusion occurs naturally when a higher concentration of a substance exists on one side of a membrane than the other; molecules will enter into the area of lesser concentration until there is an equilibrium on both sides. Active transport requires the energy of the cell.


How does gases enter and leave capillaries?

Simple diffusion.


What is diffusion a natural movement of molecules from?

in the normal diffusion the substance move from the area of greater concentration to that of lower concentration. .... but i never know what do we mean be "faciliated" plz specify