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facilitated
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What type of diffusion is specific and passive and becomes saturated if all of protein carriers are in use?
Facilitated diffusion is the specific and passive type of diffusion that becomes saturated when all protein carriers are in use. This occurs because facilitated diffusion relies on specific protein carriers to transport molecules across the cell membrane, and once all carriers are engaged, the rate of diffusion cannot increase further.
What is a protein moves molecules across a membrane?
Facilitated diffusion moves molecules through cell membranes passively.
Describe how glucose molecules enter a cell by facilitated diffusion?
protein
Are protein carriers or channels involved for diffusion?
Diffusion is the movement of molecules from an area of higher concentration to one of lower concentration and typically does not require protein carriers or channels. However, facilitated diffusion, a specific type of diffusion, does involve protein carriers or channels to help transport molecules, such as ions or larger polar molecules, across the cell membrane. These proteins assist in moving substances that cannot easily pass through the lipid bilayer due to their size or polarity.
Why do you have diffusion?
so molecules can use protein channel to cross a cell membrane-cleo
Does diffusion require a protein?
No.
Is facilitated 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
What is the difference between diffusion and facilitate diffusion?
The difference between diffusion and facilitated diffusion is that facilitated diffusion is that the molecules pass through special protein channels.
What is the similarity between simple diffusion and facilitated diffusion?
both need transport protein
How does number of protein channels affect diffusion in a cell.?
The number of protein channels in a cell directly affects the rate of diffusion of molecules across the cell membrane. A higher number of protein channels allow for more molecules to pass through, leading to faster diffusion. Conversely, a lower number of protein channels may result in slower diffusion rates.
Did NaCl require a transport protein?
Did NaCl require a transport protein for diffusion?
How are the 3 passive transports different?
Simple diffusion - High concentration to low concentration, no energy required osmosis - Movement of water across a membrane, no energy required facilitated diffusion - Movement of substances, protein's are used to help move the substances across the membrane. There are very basic summaries of each.
What type of diffusion is specific and passive and becomes saturated if all of protein carriers are in use?
Facilitated diffusion is the specific and passive type of diffusion that becomes saturated when all protein carriers are in use. This occurs because facilitated diffusion relies on specific protein carriers to transport molecules across the cell membrane, and once all carriers are engaged, the rate of diffusion cannot increase further.
What is a protein moves molecules across a membrane?
Facilitated diffusion moves molecules through cell membranes passively.
Is energy required for osmoss or diffusion?
no
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
What is diffusion assisted by special protein molecules which bind to substances that diffuse across membranes?
facilitated diffusion
