There are twenty amino acids in living organisms. ten of these are referred to as essential amino acids. why are they called essential amino acids?

This problem has been solved! see the answerfor aerobic respiration, a variety of substances must be in a state of influx across the inner membrane. assuming a brain cell in which glucose is the sole energy source, indicate for each of the following substances whether you would expect a net flux across the membrane and if so, how many molecules will move in which direction per molecule of glucose catabolized.- electrons-pyruvate-oxygen-atp-adp-a cetyl coa-glyceral-3-phosphate-nadh-fadh2 -oxaloacetate-water-protons