What mechanism does a cell use to move these small potassium ions into the cell against the concentration gradient

I believe that it cannot rely on diffusion to move needed potassium into the cell. They instead use active transport to move potassium ions across the cell membrane. Hope this helps!

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

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b because they naturally adapt to their environment plz mark brainliest

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