7.10: Perfomance Objectives for Lab 7

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After completing this lab, the student will be able to perform the following objectives:

A. ENDOSPORE STAIN

DISCUSSION

1. Name two endospore-producing genera of bacteria.

2. State the function of bacterial endospores.

RESULTS

1. Recognize endospores as the "structures" observed in an endospore stain preparation.

2. Identify a bacterium as an endospore-containing Clostridium by its "tennis racket" appearance.

B. BACTERIAL MOTILITY

DISCUSSION

1. Define the following flagellar arrangements: monotrichous, lophotrichous, amphitrichous, peritrichous, and axial filaments.

2. State the function of bacterial flagella.

3. Describe three methods of testing for bacterial motility and indicate how to interpret the results.

RESULTS

1. Recognize bacterial motility when using phase-contrast or dark-field microscopy.

2. Interpret the results of Motility Test Medium.

3. Recognize monotrichous, lophotrichous, amphitrichous, and peritrichous flagellar arrangements.

Contributors and Attributions

Dr. Gary Kaiser (COMMUNITY COLLEGE OF BALTIMORE COUNTY, CATONSVILLE CAMPUS)