Microbiological and Toxicological Assessment of Pharmaceutical Wastewater from the Lagos Megacity, Nigeria

Table 2

Morphology of bacterial isolates from pharmaceutical wastewater.

Isolates	ME1	ME2	ME3	ME4	ME5	ME6	ME7
Form of colony	Circular	Circular	Circular	Circular	Circular	Punctiform	Circular
Translucency/opacity	Opaque	Opaque	Opaque	Opaque	Opaque	Opaque	Opaque
Elevation of colony	Flat	Flat	Flat	Flat	Flat	Raised	Flat
Margin of colony	Entire	Entire	Entire	Entire	Entire	Undulate	Entire
Surface of colony	Smooth	Smooth	Smooth	Smooth	Smooth	Smooth	Smooth
Cell morphology	Cocci	Rods	Cocci	Rods	Cocci	Rods	Rods
Gram stain reaction	Negative	Positive	Positive	Positive	Negative	Positive	Positive
Pigmentation	Light yellow	Milky white	Yellow	Milky white	Milky white	Milky white	Yellow