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BI-204 Lab Exam Questions and Complete Solutions Graded A+ $14.49   Add to cart

Exam (elaborations)

BI-204 Lab Exam Questions and Complete Solutions Graded A+

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  • Course
  • Microbiology 2104
  • Institution
  • Microbiology 2104

BI-204 Lab Exam Questions and Complete Solutions Graded A+

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  • August 26, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Microbiology 2104
  • Microbiology 2104
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BI-204 Lab Exam
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]

, safety in the lab - Answer: 1. place food or drinks outside of the lab in intended areas (never eat or drink
anything in lab. no gum!)

2. place bags in cubbies/in intended areas (leave phones in bag)

3. tie up long hair

3. put on apron

4. wash hands

5. wear gloves

6. clean up your work area (bac down)

7. wear safety goggles

8. Follow directions strictly.



**close toed shoes

** turn of bunsen burner if walking away



parts of the microscope and function - Answer: Ocular lens- look through to see the specimen

Base- supports the miscrocope

objectives lenses- magnification ranges from 10x to 40x to 199x

Arm- used to support the microscope when carried

Stage clips- holds the slide in place

Fine adjustment knob- moves the stage slightly to sharpen the image

Diaphragm- used to regulate the amount of light on the specimen

Stage - supports the slide being viewed

Light source- projects the light upwards through the diaphragm , the specimen, and the lenses

Coarse adjustment knob- moves the stage up and down for focusing

Revolving nosepiece- holds the high and low power objectives, can be rotated to change magnification

Condenser- collects and directs the light from the lamp to the slide being studied.



How to focus a microscope - Answer: Turn the revolving turret so that the lowest power objective lens
(eg. 4x) is clicked into position.

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