Question: microscope and the cell lab report purpose of the microscope...
Microscope and the Cell Lab Report
- Purpose of the Microscope
- Describe the correct way to handle a microscope.
- Compare magnification, resolution, and contrast.
- Compound Microscope
- Describe the location and function of the following parts of the microscope:
- ocular -
- condenser –
- stage -
- course adjustment knob -
- Describe how total magnification is calculated.
- Viewing Microscope Slides
- Name the two types of slides used with the compound light microscope.
- Describe in at least five steps, how to focus a microscope in order to view leaf cells on high magnification.
- Compare the terms parfocal and parcentral.
- Depth of Field
- What was the purpose of viewing the slide with three colored threads?
- Microscopic Measurement
- What is the diameter of the field of view under scanning power in micrometers (µm)?
- A specimen fills 1/2 of the field of view under high power (400X). What is the specimen size in µm?
- Describe the three parts of the modern cell theory.
- Identify and describe the two major cell types.
- What three parts do all cells have in common?
- Prokaryotic Cells
- What type of microscope should you use to view the shape of a bacterial colony?
- Draw and label a typical bacterial cell, then provide functions for at least five of the labeled structures. Sign, date and prepare an image of your drawing and include it with this lab report.
- Eukaryotic Cells
- Explain how to make a wet mount of cheek cells. What are two ways to increase contrast?
- Explain how the microscope is used as an instrument of measurement.
- Determine the total magnification of a microscope that has an eyepiece lens (10X) and an objective lens (10X).
- Name three structures common to all cells.
- Name three differences between prokaryotic and eukaryotic cells.
- You are observing an onion epidermal cell under the microscope, but the image is faint. What could you do to improve contrast?
- Compare the relative size of a bacteria cell, human cheek cell, and Elodea cell.
- Describe three differences between plant and animal cells.
- Do all plant cells contain chloroplasts?