Exam (elaborations)
Bio lab final (1)
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- Petsmart menu
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- Petsmart Menu
Exam of 2 pages for the course petsmart menu at petsmart menu (Bio lab final (1))
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Bio lab finalAdvantages and disadvantages of viewing live specimen - CORRECT
ANSWER-Observe motility, but can move off focus
Coarse adjustment knob - CORRECT ANSWER-Larger, initial focusing
Control for confounding variables - CORRECT ANSWER-
Crenation - CORRECT ANSWER-cell shrinking
Effect of pH on the O2-Hb Dissociation Curve - CORRECT ANSWER-highest activity
at optimal pH of around 7
Example of what would decrease the chi square value - CORRECT
ANSWER-increasing sample size
Examples of what would increase the chi-square value - CORRECT
ANSWER-increase in deviation, increase in number of data classes
Fine adjustment knob - CORRECT ANSWER-Final focus, slight movement
Guaiacol - CORRECT ANSWER-used to create a color to detect amounts of
peroxidase activity in samples (brown is oxidized vs clear is reduced)
Hydrogen Peroxide - CORRECT ANSWER-Substrate used in enzyme experiments
parfocality - CORRECT ANSWER-maintains focus while switching lenses
Peroxidase - CORRECT ANSWER-enzyme that breaks down hydrogen peroxide
Plasmolysis - CORRECT ANSWER-shrinking in plant cell
Power of lenses and total magnification
a. Scanning power
b. Low power
c. High Power
d. Oil Immersion Lens - CORRECT ANSWER-a. 4, 40
b. 10, 100
c. 40, 400
d. 100, 1000
Randominzation - CORRECT ANSWER-a process of randomly assigning subjects to
different treatment groups
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