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Bio 182 Lab 2 Worksheet
- Course
- BIO 182
- Institution
- Grand Canyon University
This is a comprehensive and detailed worksheet on lab 2; bacteria, Archaea and protists for Bio 182. *Essential!! *For you!!
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Name: Melanie CiobanuBacteria, Archaea, and Protists Lab Worksheet
Table 1
MagniÞcation, Diameter, and Area Calculations
Field of View Field of View Area Field of View
Objective Lens Total MagniÞcation Diameter (mm) (mm )
2
Diameter (¿m)
Power
4X 40X 4.5 15.90 4500
10X 100x 1.8 2.54 1800
40X 400x 0.45 0.16 450
100X 1000x 0.18 0.03 180
Specimen Size Estimation
Size= % occupied FOV (expressed as a decimal) * diameter of FOV
Example: Size= 0.25 * 4.5mm
Relative size = 1.125 mm
10X FOV Area = 3.14 (.9)^2= 2.54 mm^2
40X FOV Area = 3.14 (.225)^2= .16 mm^2
100X FOV Area = 3.14 (.09)^2= .03 mm^2
Observation of Prepared Slides
Table 2
Bacteria and Archaea Specimens
Name Drawing Characteristics
Microorganism (group (3 or more) Picture (optional)
(total
classiÞcation)
magniÞcation)
100x Small in size N/A
Multiple clusters
Has a round shape
Gram (+) cocci Thick peptidoglycan
No nucleus
Sorry for drawings,
my laptop is difficult
1
, Name: Melanie Ciobanu
Bacteria, Archaea, and Protists Lab Worksheet
100x Small in size N/A
Separated
Has a Rod shape
Gram (Ð) bacillus Noticeable flagella
(rod) Thin peptidoglycan
Sorry for drawings,
my laptop is difficult
100x Medium in size N/A
Long and thin
Spiral clusters
Spirillum (helical) Present flagella
Small organisms around
Sorry for drawings,
my laptop is difficult
100x Medium in size N/A
Multiple clusters
Pill shaped
Halobacteria
Sorry for drawings,
my laptop is difficult
Observation of Prepared Slides continued
Table 3
Protist Specimens
2
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