Name: _____________________________________

Unit 7: Bacteria

Due Date: 12/7/05

Objectives: At the end of this unit you will be able to:

Describe the structure of a bacterial cell.
Contrast a bacterial cell with a eukaryotic cell.
Recognize the beneficial effects of bacteria.
Recognize that human disease may originate from bacteria.
Summarize ways to prevent bacterial diseases.
Recognize the importance of antibiotics in fighting bacterial diseases.

Required Assignments. (This means you MUST do them.)

_____ 1. Plate bacteria (used for B level)

_____ 2. PCR & DNA fingerprint

_____ 3. Finish your murder trial

_____ 3. Bacteria Transformation

Required notes for this section. (Again … this means you MUST do them.)

_____ 1. The structure of bacteria

_____ 2. The pros and cons of antibiotics

______ “C Level”. (TP level) - 25 points are necessary for a C

(CP level) – 35 points are necessary for a C

___ 1. Read pages 339 – 343 in your book on Bacteria. Be able to answer questions. (5 points)

___ 2. Read pages 344 – 352 in your book on How Bacteria Affect Humans. Be able to answer questions. (5 points)

___ 3. Write 2 paragraphs. One on ways bacteria is helpful to humans and one on ways bacteria is harmful to humans. (5 points)

___ 4. Using materials of your choice, make a 3-D model of a prokaryotic cell. (10 points)

___ 5. Make a poster that shows and explains the difference between gram positive and gram negative bacteria. (5 points)

___ 6. Using either a poster, picture book, or pamphlet format, show and describe the three shapes of bacteria. (10 points)

___ 7. Using construction paper and plain drawing paper, make a minimum 10 page children's book on bacteria, antibiotics, and ways to prevent bacterial infections. Illustrate your book. (15 points)

___ 8. Research 3 types of bacterial infection: botulism, tetnus, and strep throat. Write a small, 1/2 page report on each. List your sources of information. (15 points)

___ 9. Make a booklet of Internet sites dedicated to bacteria. Include cover page, table of

contents and home page of at least 10 sites. (no matching booklets) 15 pts.

“B” Level: 15 points maximum Choose one. ________________________

Note: All these labs require streaking a plate of agar with bacteria. You must watch and listen to the demonstration to do the labs.

These must be done in class! A poster must be made to show your results.

___ 1. Grow a collection of bacteria from at least 5 places on your body. Describe your

collection of colonies and compare them to your classmates?

___ 2. Does handwashing reduce the bacteria on your hands? Prove it.

___ 3. Find a place in the school "germier" than our doorknob.

___ 4. Does Listerine really kill germs in the mouth? Prove it!

“A” Level: 15 points maximum. Choose one. ______________________

___ 1. Is there a flesh eating bacteria? If so, what is it? Thoroughly describe it. Poster might work here.

___ 2. What caused the E.coli deaths from Jack-in-the-Box a few years ago?

___ 3. What is the "down-side" to antibiotics in our society? Find a creative way to show our results.