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Passive transports such as diffusion and osmosis move down their concentration gradients.
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∙ 11y ago
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Diffusion is important in body fluids because it tends to?
It tends to eliminate local concentration gradients.
If diffusion is going to occur there has to be what?
A difference in the concentration throughout space because diffusion doesn't just happen in a cell or aqueous solution by definition diffusion is just from high to low concentration
Substances tend to move according to their concentration gradients by the process of?
Process of diffusion. Called osmosis for the process with water.
What three things can affect the rate of diffusion?
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.
What is concerntration gradient?
As used in the process of diffusion, the concentration gradient is the graduated difference in concentration of a solute within a solution (as expressed per a unit distance). Molecules tend to move from areas of greater concentration to areas of lesser concentration. i.e. down the gradient.
How does gradient affect diffusion?
A concentration gradient is a difference in concentration across a space. It affects diffusion and osmosis because both of these passive transports move down their concentration gradients, or from an area of high concentration to low concentration.
Diffusion is important in body fluids because it tends to?
It tends to eliminate local concentration gradients.
If diffusion is going to occur there has to be what?
A difference in the concentration throughout space because diffusion doesn't just happen in a cell or aqueous solution by definition diffusion is just from high to low concentration
What concentration gradients are established and maintained by the sodium-potassium exchange pump?
high Na+ concentration in the extracellular fluid; high K+ concentration in the cytoplasm
What concentration gradients are established and maintained by the sodium potassium exchange pumps?
high Na+ concentration in the extracellular fluid; high K+ concentration in the cytoplasm
Substances tend to move according to their concentration gradients by the process of?
Process of diffusion. Called osmosis for the process with water.
What are concentration gradients?
Concentration gradients is a solutes. This is used in the body.
Which affects the rate of diffusion through a semipermeable membrane?
steeper concentration gradients, higher temperatures and size of the molecule diffusing
Facilitated diffusion carrier proteins and cell membrane pumps both?
They both transport substances up their concentration gradients.
What are the adaptation that speed up diffusion in living organisms?
Chemotaxis - Natural movement of cells along a concentration gradient, either away or towards chemical stimulus Diffusion distances are short Concentration Gradients are maintained Diffusion surfaces are large
What three things can affect the rate of diffusion?
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.
Which affects the rate of diffusion through a semipermeable membrane steeper concentration of gradients higher temperatures or the size of the molecule diffusing?
all of thouse factors
