The document discusses several different microorganisms identified from various specimens: 1. Streptococcus pyogenes identified from a throat culture showing small dry round colonies with beta hemolysis and susceptibility to bacitracin. 2. Escherichia coli identified from a urine culture showing pink lactose fermenting colonies causing a UTI. 3. Mycobacterium tuberculosis identified from a sputum smear showing acid-fast pink rods and treated with isoniazid, rifampin, and pyrazinamide.