Help please!! whats the label for a, b,c, d

why do you want to cheat? i dont take it, so i dont know.

explanation:

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i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

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.