Por qué es necesario que las células de los organismos pluricelulares realicen por sí solas la función de relación??

chemical because it warmed up which involves temperature and it bubbled which includes changing

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hello there the answer is d

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.