Biology Lab 1 - Pre-Lab, Based on the scientific name Streptococcus

Biology Lab 1

Pre-Lab Questions

Based on the scientific name Streptococcus agalactiae, what morphology would you expect these cells to have?

Name at least three animal structures that would be analogous to bacterial flagella.

Hypothesize how over-washing of hands can affect the population of “good” bacteria that resides on human skin.

Experiment 1: Identifying an Unknown Microorganism

Data Sheet

Insert your dichotomous key here.

Write your microorganism number here:

Fill in the following table as you complete the interactive.

Test Observations

Lab Questions

Based on the scientific name Streptococcus agalactiae, what morphology would you expect these cells to have?

Name at least three animal structures that would be analogous to bacterial flagella.

Hypothesize how over-washing of hands can affect the population of “good” bacteria that resides on human skin.

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.