Lactobacillus acidophilus is a probiotic microorganism typically found in the human small intestine. It has a cell wall made of peptidoglycan. It aids in the process of digestion and can commonly be obtained through sources such as acidophilus yogurt. Which characteristic proves Lactobacillus acidophilus is from the specific kingdom Eubacteria?a) It is multicellular. b) It has a cell wall. c) It is a microorganism. d) It has peptidoglycan.