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simple diffusion
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What moves small or lipid soluble solutes through the membrane?
The unassisted diffusion of solutes through the plasma membrane is called simple diffusion. Solutes transported this way are either lipi-soluble (fats, fat-soluble vitamins, oxygen, carbon dioxide) or small enough to pass through the membrane pores (some small ions such as chloride ions, for example).
What moves through a semipermeable membrane into an area of what concentration?
Water moves through a semipermeable membrane from an area of high to low concentration. This is called osmosis.
Why does water pass quickly through cell?
it moves through aquaporins in the membrane.
What is folded membrane that moves materials through the cell?
endoplasmic reticulum
What is a structure that moves material through a cell?
it's the cell membrane
Oxygen moves from the lungs into the blood via?
through respiratory membrane via diffusion
How does oxygen moves into cells?
The cell membrane simply accepts it when it is delivered through the blood.
Compare and contrast simple diffusion and osmosis?
osmosis moves through a membrane diffusion moves from higher concentration to lower concentration
Is movement of alcohol through cell membrane osmosis?
Alcohol moves across the cell membrane by means of osmosis.
Summarize the factors that determine the direction of net movement of water across a cell membrane?
osmosis
When particles are moves through a membrane from a region of high concentration to a region of low concentration?
Diffusion
What substance undergoes osmosis?
Water moves across the cell membrane through the process of osmosis.
