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Why aren't simple diffusion osmosis and filtration sufficient to supply the needs of the cell?
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∙ 14y ago
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∙ 14y ago
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Three types of passive transport?
There are three forms of passive transport, or the movement of biochemical and other atomic or molecular substances across the cell membranes. They are: osmosis, simple diffusion or facilitated diffusion, and filtration.
What is the diffusion of water across a semipermeable memberane?
Diffusion of water across a semipermeable membrane is a type of simple diffusion given the special name of osmosis.
What are 2 ways that substances across the cell membrane without using energy?
simple diffusion, facilitated diffusion, and osmosis (water)
What is simple diffusion of water through a membrane called?
Osmosis is the term for the diffusion of solute through a membrane from a place of higher concentration to a place of lower concentration. The process of osmosis will continue until the concentration is equal on both sides of the membrane.
What is one specific form of simple diffusion?
There's facilitated diffusion, where proteins channel in molcules; then there's active transport where the cell uses energy to bring in molecules that are to large or a different chemical configuration.
Three types of passive transport?
There are three forms of passive transport, or the movement of biochemical and other atomic or molecular substances across the cell membranes. They are: osmosis, simple diffusion or facilitated diffusion, and filtration.
Why aren't osmosis and simple diffusion sufficient for the transport of all substances?
Osmosis and simple diffusion are not sufficient for the transport of all substances due to their nature. They only have the ability to transport substances which can pass through the cell membrane.
What are the 3 types of diffusion?
simple diffusion, osmosis and facilitated diffusion.
How is osmosis different from simple diffusion?
Osmosis is very similar to normal diffusion, but osmosis is only the movement of water through a "partially permeable membrane" where as simple diffusion is the movement of anything from an area of high concetrations to low, such as gas in a room.
Is osmosis a passive or active transport and how?
The four main kinds of passive transport are diffusion, facilitated diffusion, filtration and osmosis. Osmosis always deals with the movement of water across a semipermeable membrane. Water always moves toward the side that is higher in solutes (mainly salt). It does this to balance the two sides. Osmosis always follows salt is one of the best ways to remember this.
What is the diffusion of water across a semipermeable memberane?
Diffusion of water across a semipermeable membrane is a type of simple diffusion given the special name of osmosis.
Compare and contrast simple diffusion and osmosis?
osmosis moves through a membrane diffusion moves from higher concentration to lower concentration
What are the examples of simple diffusion?
Osmosis is one of the easiest-to-understand examples of diffusion. Past that, you will need to define 'simple'.
How is osmosis similar to simple diffusion?
Both affected by Concentrations?
Advantage of reverse osmosis over filtration?
R/O filters to a much greater degree than simple filtration.
What is the diffusion of water across the semipermeable?
Diffusion of water across a semipermeable membrane is a type of simple diffusion given the special name of osmosis.
The cell does not need to expand energy ATP in order to perform what?
simple diffusion and osmosis
