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by | Mar 26

 

BIOL 1115 Human Biology

Lab 3: Cells

View the slide labeled cheek smear. Sketch the image at Scanning, Low and High Power. 

LABEL on high power the CELL MEMBRANE, CYTOPLASM, and NUCLEUS.

Scanning (4)

Low (10)

High (40)

3. Go to google and type “cheek cells” into the search box. Click on “images” to see all the 

images google has found on the web showing cheek cells (there should be hundreds).

What do all of these images have in common?

How do the cells vary from one picture to the next (how are they different)?

4. Why are the google images of cells different colors? What is the natural color of a chee

 

BIOL 1115 Human Biology

Lab 3: Cells

View the slide labeled cheek smear. Sketch the image at Scanning, Low and High Power. 

LABEL on high power the CELL MEMBRANE, CYTOPLASM, and NUCLEUS.

Scanning (4)

Low (10)

High (40)

3. Go to google and type “cheek cells” into the search box. Click on “images” to see all the 

images google has found on the web showing cheek cells (there should be hundreds)

 BIOL 1115 Human BiologyLab 3: CellsTo complete the lab: Access the UD Virtual Compound Microscope1. Familiarize yourself with the microscope, run the tutorial and examine the parts you will be working with.a. How many objectives are on the virtual microscope? b. What are the numbers listed on each of the objectives?2. You will be looking at the slide (top right) labeled “letter e”. Follow the tutorial and use the microscope adjustments to focus the “e” on each of the objectives.Draw the “e” exactly as it

BIOL 1115 Human Biology

Lab 3: Cells

View the slide labeled cheek smear. Sketch the image at Scanning, Low and High Power. 

LABEL on high power the CELL MEMBRANE, CYTOPLASM, and NUCLEUS.

Scanning (4)

Low (10)

High (40)

3. Go to google and type “cheek cells” into the search box. Click on “images” to see all the 

images google has found on the web showing cheek cells (there should be hundreds).

What do all of these images have in common?

How do the cells vary from one picture to the next (how are they different)?

4. Why are the google images of cells different colors? What is the natural color of a cheek cell?

5. Use the internet or your textbook to define or describe each of the following terms that relate 

to the cell.

Eukaryote – 

Nucleus – 

cell membrane – 

cytoplasm – 

6. Keeping in mind that the mouth is the first site of chemical digestion in a human. Your saliva 

starts the process of breaking down the food you eat. Keeping this in mind, what organelle 

 

o complete the lab: Access the
UD Virtual Compound Microscope
1. Familiarize yourself with the microscope, run the tutorial and examine the parts you will be
working with.
a. How many objectives are on the virtual microscope?
b. What are the numbers listed on each of the objectives?
2. You will be looking at the slide (top right) labeled “letter e”. Follow the tutorial and use the
microscope adjustments to focus the “e” on each of the objectives.
Draw the “e” exactly as it appears
Scanning (4)
Low (10)
High (100)
3. Which letter on the microscope points to the
OCULAR ________
COARSE ADJUSTMENT ______
FINE ADJUSTMENT ______
STAGE CENTERING ______

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