Laboratory II – Prokaryotes and Protists

1. Instructions

  • Open and download the worksheet.
  • Go over each station one by one
  • Answer the corresponding questions using the lab manual Laboratory II text

2. Worksheet

Open/Download/Print the Lab II worksheet before going over the stations

 

3. Stations

Click on the image to enlarge it and see more details

Station Ia

A microscope view of a pink bacteria
Microscopy slide of Gram-stained Spirillum volutans 1000x. Credit: Marc Perkins, CC-BY-NC

Station Ib

A close-up of purple bacteria on a white background
Microscopy slide of Gram-stained Staphylococcus epidermidis 1000x. Credit: Marc Perkins, CC-BY-NC

Station Ic

A close-up of purple bacteria on a white background
Microscopy slide of Gram-stained Bacillus megaterium 1000x. Credit: Marc Perkins, CC-BY-NC

Station II

A green spiral made of spheres seen under the microscope
Live cyanobacteria from genus Dolichospermum seen under a microscope. Credit: Masa Zupancic, CC-BY-SA 4.0

Station III

A petri dish with white and yellow dots of various sizes
Microbial culture resulting from swabbing the surface of a cell phone. Credit: Carlos de Paz CC-BY-SA 2.0 DEED

Station IV

A close-up of various cells with geometric shapes and stained in green and pink under a microscope x400
Various stained diatoms seen under a light microscope x400. Credit: Tatiana Voza, CC-BY-SA 4.0

Station V

A close-up of green spirals, tubes and circular organisms under the microscope
Zygnematophyceae, Spirogyra, Micrasterias, algae, microphotography (x1000), environmental sample, fresh water, mountain stream, Jizerské Hory (Czech Republic, Liberec Region). Credit: Vosolsob, CC-BY-SA 4.0

Station VI

An oval shape organism with darker structures inside
A stained paramecium observed under the microscope x400. Credit: Tatiana Voza, CC-BY SA 4.0.

Video of live paramecia under the microscope

Station VII

A greenish blobby-shaped organism with several long structures extending in different directions
Stained amoeba observed under the microscope x400. Credit: Tatiana Voza, CC-BY SA 4.0

Video of live amoeba under the microscope

Station VIII

About 9 blue oval shapes (most out of focus) with darker spots inside.
Stained euglena observed under the microscope x400. Credit: Marc Perkins, CC-BY NC 2.0 DEED

 

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