A DNA inplet is transcribed into an mRNA codon, which is translated into an amino acid, Which change to the DNA triplet 3' AGC 5' would result in a stop codon that would end the growing polypeptide prematurely?

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answer; i believe its echoic memory,it is believed to last three to four seconds; good luck

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.