Lab 8 Identifying an Unknown Organism ”
1. Insert your dichotomous key here.
Data Sheet
2. Write your microorganism number here:
1
3. Fill in the following table as you complete the interactive.
Test
Observations
Gram Staining
Gram-Positive
FTM
OA
Starch Test
Negative
Morphology
Circular, pinhead colonies, yellow
Cell arrangement
Clusters
4. What was the species of your assigned microorganism? Describe how you used your
dichotomous key to come to this conclusion. Include any relevant tests and how the
results helped you draw your conclusion. Lab 8 Identifying an Unknown Organism
Micrococcus luteus. I think that it’s this organism because it’s yellow and in the gram
staining shows yellow, colony spheres.
Insert screenshots of your tests for your microorganism:
Gram Staining:
FTM:
Starch Test: