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What is the random movement of molecules and ions down their concentration gradient called?
The random movement of molecules and ions down their concentration gradient (meaning from an area of high concentration to an area of low concentration) is called simple diffusion. Simple diffusion is related to the magnitude of driving force, permeability of the membrane, and surface area.
Is osmosis diffusion through water?
Osmosis is a specific type of diffusion that involves the movement of water molecules across a selectively permeable membrane, from an area of higher water concentration to an area of lower water concentration. It is a passive process and does not require energy input from the cell.
Diffusion and osmosis are forms of what?
Diffusion and osmosis are forms of passive transport, which is the movement of particles across a membrane without requiring energy input from the cell.
Does osmosis require a carrier?
NO. Osmosis( by definition) is the DIFFUSION of water from a high concentration gradient to a low concentration gradient across a semipermeable membrane. As diffusion is a form of passive transport, it doesnt require a carrier
What are three types of passive transport?
Diffusion- is the movement of the substance from an area of higher concentration to an area of lower concentration,Osmosis- is the diffusion of water molecule only through a membrane semipermeable cell membranes allow water to pass through them until equilibrium occurs.Facilitated Diffusion- carrier proteins, and channel proteins it occurs when molecule pass through a cells membrane.
Is diffusion and osmosis types of active tranport?
No they're both passive transport
Is diffusion an example of active transport or passive transport?
Diffusion is an example of passive transport, like osmosis(the diffusion of water through a membrane).
What's a passive transport of water by diffusion?
osmosis
Are diffusion and osmosis passive or active transports?
Diffusion and osmosis are passive and do not require energy.
What are types of a passive tranport describe each?
A: is a cellulsarB: fermentationdo not take my oplinon
What is the proccess by which water moves across a cell's membrane?
Passive diffusion.
What process does the water move from the large intestines to the blood stream?
i want to say passive diffusion but i dont know for sure
Is diffusion passive or active?
passive
Is passive diffusion a spontaneous process?
Yes, passive diffusion is a spontaneous process.
The movement of substances through a cell membrane without the use of cell energy?
Passive transport using osmosis and diffusion. Osmosis only applies to the movement of water down a concentration gradient across a selectively permeable membrane. DOH!!!
Is diffusion a passive transport?
diffusion
How do molecules move by passive transport?
Molecules move by passive transport down their concentration gradient, from an area of higher concentration to an area of lower concentration, without the input of energy. This can occur through simple diffusion, facilitated diffusion, or osmosis, depending on the properties of the molecules and the cellular environment.
