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Microscope use for Observing Bacterial Characteristics, Lab Reports of Microbiology

The College at Brockport, State University of New York (SUNY)Microbiology
Prof. Michel Pelletier

This PDF contains the answers to the lab which I got a 100% on.

Typology: Lab Reports

2022/2023

Available from 08/10/2023

alexa-yk6
alexa-yk6 🇺🇸

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Name ________________________________________ Section ____________
Microscope Use for Observing Bacteria – Assignment – 12 pts
1. Identify the morphology and the morphological arrangement of the following four bacteria:
Bacillus subtilis, Staphylococcus aureus, Spirillum volutans and Streptococcus pyogenes. (8 pts)
Bacillus subtilis
Morphology: _________________
Morphological arrangement: ____________________
Staphylococcus aureus
Morphology: _________________
Morphological arrangement: ____________________
Spirillum volutans
Morphology: _________________
Morphological arrangement: ____________________
Alexa Campanella
SU23
Rod/Bacillus
Chains
Coccus
Clusters
Spirillum
Singular
pf2

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Name ________________________________________ Section ____________

Microscope Use for Observing Bacteria – Assignment – 12 pts

  1. Identify the morphology and the morphological arrangement of the following four bacteria: Bacillus subtilis, Staphylococcus aureus, Spirillum volutans and Streptococcus pyogenes. (8 pts)

Bacillus subtilis

Morphology: _________________

Morphological arrangement: ____________________

Staphylococcus aureus

Morphology: _________________

Morphological arrangement: ____________________

Spirillum volutans

Morphology: _________________

Morphological arrangement: ____________________

Streptococcus pyogenes

Morphology: _________________

Morphological arrangement: ____________________

  1. _________ When using the oil immersion objective what level of light intensity should the microscope be set at? (0.5 pt) a. Lowest level b. Medium level c. Highest level
  2. Why is oil necessary when using the 100x oil immersion lens? Explain well! (1 pt)
  3. ________ When using the oil immersion lens, in what position should your microscope’s condenser be? (0.5 pt) a. Closest to the bottom of the stage b. Midway between the light source and the bottom of the stage c. Furthest from the bottom of the stage
  4. In microbiology, what is the most commonly used objective? Why? (1 pt)
  5. What are the 3 basic morphological shapes of bacterial cells? (1 pt)