1
Name ___________________________ Lab Section ____________
Results & Interpretation – 30 pts (0.5 pt each space in the table and 6 pts for questions) -
Use the results on pages 6 -9 to fill in the tables below
**The Interpretation and Presumptive ID sections must include ALL the information the results on
the plate provide to get full credit, BUT do not include information you cannot determine if the
bacteria didn't grow. Refer to the handout "Selective and Differential Media - Example results and
additional questions" for guidance.
PEA
Result
Interpretation
Presumptive ID
E.coli
P. vulgaris
S. aureus
S. epidermidis
Alexa Campanella
SU23
Poor growth or no
growth
Poor growth or no
growth
Good growth
Good growth
Organism inhibited
by Phenylethyl
Alcohol
Gram negative
Organism inhibited
by Phenylethyl
Alcohol
Gram negative
Organism not
inhibited by
Phenylethyl Alcohol
Gram positive
Organism not
inhibited by
Phenylethyl Alcohol
Gram positive
