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What are the main characteristics of facilitated diffusion?
Facilitated diffusion is a type of passive transport that relies on carrier proteins to move specific molecules across the cell membrane. It does not require energy input from the cell and moves molecules down their concentration gradient. Facilitated diffusion is selective, allowing only specific molecules to cross the membrane based on their size and charge.
How does Facilitated diffusion differs from diffusion in that facilitated diffusion?
Facilitated diffusion involves the use of carrier proteins to move specific molecules across the cell membrane, while simple diffusion does not require proteins and involves the movement of molecules from an area of high concentration to low concentration. Facilitated diffusion is selective and allows for faster transport of specific molecules that may be too large or polar to diffuse freely through the membrane.
What processes take material into cells?
Two main processes are involved in taking materials into cells: passive transport and active transport. Passive transport includes simple diffusion, facilitated diffusion, and osmosis, which do not require energy. Active transport, on the other hand, uses energy to move materials across the cell membrane against their concentration gradient.
Why is osmosis and diffusion a type of passive transport?
Osmosis and diffusion are considered passive transport because they do not require energy input from the cell. Molecules move from areas of high concentration to low concentration in a random process, which does not require the cell to expend energy.
Three ways that substances can move into and out of a cell?
Substances can move into and out of a cell through passive diffusion, facilitated diffusion, and active transport. In passive diffusion, molecules move from an area of high concentration to low concentration. Facilitated diffusion involves the use of carrier proteins to help molecules pass through the cell membrane. Active transport requires energy to move molecules against their concentration gradient.
Does facilitated diffusion require energy for the movement of molecules across the cell membrane?
No, facilitated diffusion does not require energy for the movement of molecules across the cell membrane.
Does facilitated diffusion require energy for the transportation of molecules across the cell membrane?
Facilitated diffusion does not require energy for the transportation of molecules across the cell membrane.
Does facilitated diffusion require energy to transport molecules across the cell membrane?
Facilitated diffusion does not require energy to transport molecules across the cell membrane.
Does the facilitated diffusion not require the cell to use energy?
It does not require the use of the cells energy.
What does not require energy from the cell?
I believe it is facilitated diffusionendocytosis
How is facilitated diffusion diferant froma an active transport?
Facilitated diffusion is a type of passive transport which does not require the cell to expend energy.
Does the facialited diffusion require the cell to use energy?
No, it does not require energy use from the cell.
What are the three transport processes that do not require cell energy?
Passive Transport,Facilitated Diffusion, and Simple Diffusion
What types of transport mechanisms through the cell membrane are passive?
diffusion, facilitated diffusion, and osmosis
What types of diffusion do not require energy?
Diffusion does not require energy. Diffusion is that natural tendency of particles to move from an area of high concentration to an area of low concentratrion and therefore, it does not need energy to occur.
Does facilitated diffusion require a transport protein for the movement of molecules across the cell membrane?
Yes, facilitated diffusion does require a transport protein for the movement of molecules across the cell membrane.
In facilitated diffusion which process does not require energy?
Simple and facilitated diffusion are a part of passive transport. This refers to the movement of molecules, atoms and ions across the cell membrane. In both of these processes, molecules move from areas of high concentration to areas of lower concentration because equilibrium is trying to be maintained in living organisms. Simple diffusion just happens randomly and without any aides. Facilitated diffusion uses proteins in the cell membrane to guide polar molecules and ions in and out of the membrane (always to areas of lower concentration) and DOES NOT require ENERGY.Only active diffusion requires energy.
