How does craving a cookie relate to diffusion

You craving that cooking would mean that the smell of the cookie enticed you had a higher concentration smell inside the cookie jar so the smell left the jar to lower condentration in open to in order to have and equilibrium in concentration smells thus leading it to your nose causing you my friend to crave that cookie.

Explanation:

Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. The difference in the concentrations of the molecules in the two areas is called the concentration gradient.

I hoped that was clearer now

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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the match duh

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