plasma membrane and transport

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Last updated 1:47 AM on 10/11/26
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7 Terms

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Passive transport

does not require an input of energy, substances diffuse across membrane in absense of an outside energy source

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active transport

requires energy to move substances across the membrane

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solute

small molecules and ions in solution-in constant,random

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diffusion

(passive transport) spontaneous movement of molecule and ions-increase entropy, equilibrium means molecules moving randomly

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concentration gradient

created by difference in solute concentration,

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net movement

from high-concentration regions to low-concentration regions

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