How does the polypepde translated from the tra-RB isoform differ from the polypeptide translated from the tra-RA isoform? What are the consequences of these differences on protein funticon?

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

you gotta add the following molecules so we can give u an answer

explanation:

it is b that is the answer.