The Cheek Lab 

A lab designed to locate animal cells and the structures found within them

Your Mission

Fill in your sheet with this:

Locate: ONE cheek cell under high power

Label: plasma membrane, cytoplasm, nucleus, nucleolus, and organelles

Remember: No Air Bubbles!!!

Place the pointer on the cell nucleus

Procedure

1. Obtain the materials necessary to complete the lab.

Each Group Needs:

One Slide

One Cover Slip

One Toothpick

Procedure (continued)

2. Obtain a cheek cells by gently scraping the inside of your cheek with the FLAT end of the toothpick

3. Place one drop of stain on the slide and scrape toothpick in the stain (wait one min.)

Procedure (continued)

4. Add one cover slip using good technique

5. Use your good microscope skills to locate cell under high power (no bubbles!)

6. Obtain a signature

7. Draw THREE cells

8. Label ONE cell

How Will I Be Graded?

20 points overall
5 points for signature
5 points for labels
5 points for neatness and organization
5 points for good lab technique and following lab rules

When You Finish

Deposit toothpick in garbage after mixing with stain

Clean up scope

Rinse off slide and place on brown paper on black cart

Attention!!

Due to the fact that we do not know what other people have in their mouth:

Throw toothpick away immediately after use

Handle and clean only your own slide