1) the same as.
Is your answer
One negative side effect of with anaerobic synthesis of energy is that a by product of glycolysis is lactic acid
lactic acid cause muscle fatigue and post exercise muscle soreness. when you exercise the body uses oxygen to break down glucose for energy. when one do intensive exercise, oxygen may not be enough therefore lactic acid is produced.
Bilirubin is a byproduct of red blood cell destruction and are conjugated in the liver and excreted in bile.
It means that all living things have dna