One negative side effect of with anaerobic synthesis of energy is that a by-product of glycolysis is

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.

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.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.