How does the following quote from paragraph 22 contribute to the development of central ideas in the passage? “And so you just keep pushing, and you try and make it the best for the rest of your life. And I think you also realize that despite what you’ve done, you’re more than your worst action.”

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

explanation:

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

the cell cycle is the final answer! : )