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Are osmotically active substances simple diffusion or active transport?
simple diffusion.
The primary mechanism for exchange of substances across the capillary wall is?
Diffusion
How are diffusion and facilitated diffusion similar?
Substances enter a cell through the cell membrane
When two substances mix without being shaken or stirred?
When two substances mix without being shaken or stirred, it is likely due to the process of diffusion. Diffusion is the movement of molecules from an area of high concentration to an area of low concentration, leading to the even distribution of the substances.
What moves substances into and out of the cell in facilitated diffusion?
coffee
How does concentration determine the diffusion of substances?
It's a secret
How do substances get into a plant or animal cell?
Osmosis and diffusion
What is diffusion assisted by special protein molecules which bind to substances that diffuse across membranes?
facilitated diffusion
What factors affect the diffusion rate?
Diffusion refers to the process where substances from a highly concentrated area move to a place with a lower concentration. The three factors that affect the rate of diffusion are temperature, concentration gradient and the molecular weight of the substances.
How can substances move across capillaries?
Substances typically move across capillaries via diffusion.
What is the difference between diffusion and bulk flow in terms of the movement of substances across a membrane?
Diffusion is the movement of substances from an area of high concentration to low concentration, while bulk flow is the movement of substances in a fluid due to pressure differences. Diffusion occurs passively, while bulk flow requires energy.
What process is active and passive in transporting substances?
facilitated diffusion
