An experiment contains two groups of individuals that are treated in exactly the same manner except the __ group receives the independent variable, whereas the __ group receives a placebo.

dude i stopped reading after the first 7 words but hey you seem real smart thats awesome have a great day

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.

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.