Microbiology All of the following lab tests can be used to distinguish Streptococcus mutans from other oral streptococci, except A Gram staining B Fermentation of mannitol and sorbital C Production of intracellular and extracellular adherent polysaccharide D Colony morphology on saliva agar 💡 Explanation All of the following lab tests can be used to distinguish Streptococcus mutans from other oral streptococci, except ✓ Correct Answer: A. Gram staining