This internet assignment should be done on an individual basis. It is not hard, and should not take very long. However, because web sites are not always available, and web servers sometimes are not working, students are advised not to wait until the last minute to complete the assignment. The answers to this web assignment should be typed or written neatly and turned in to your TA by your class that meets the week of Oct. 20-23.

Follow these simple instructions to complete the assignment :

I. Go to this web site : http://www3.ncbi.nlm.nih.gov/Omim/searchomim.html

Look up OMIM #603903
1a.What is the name of this disorder and why is the # sign used in the title ?

Go back to the search page and look up Myasthenia Gravis (#254200).
1b. Describe at least three symptoms of this disorder.

II. Go to this web site : http://www.safe-food.org/-consumer/enzymes.html.
Read the introductory paragraphs about this web site.

2a. Describe the uses for these enzymes :
Chymosin, Novamyl(TM), Alpha amylase, Aspartic (proteinase enzyme), Pullulanase

Go to this web site : http://blanco.biomol.uci.edu/Membrane_Proteins_xtal.html
Look at the first three proteins listed in the table (Prostaglandin H2 synthase-1, Cyclooxygenase-2, Squalene-hopene cyclase).
The detail of resolution is given in angstroms (1 angstrom = 1.0 × 10^-10 meters).
2b. How many nanometers are the resolutions for each of those three proteins ?

III. Go to this web site : http://www.cellsalive.com/

Search the index for penicillin.
3a. Briefly describe how penicillin kills bacteria.(The movie is pretty cool, if you can view it !)

Go to the Crystal Gallery to see some pretty pictures !
Which is your favorite ?

Go to the index to look up the terms "Lymphocyte" and go to the "How big" link.
3b. Rank the following structures from smallest to largest : lymphocyte, E. coli, Ebola virus, human hair, Baker's yeast

This final series of questions are opinion questions. Your grade for this set of questions will be based on your ability to convey your opinon successfully, and not whether or not your TA agrees with you !

IV. Go to this web site : Bioethics : Hearing Loss and Jobs (http://www.mhhe.com/biosci/genbio/olc_linkedcontent/bioethics_cases/g-bioe-10.htm).
Read the text that describes the ethical issue.
Answer questions 2, 4 and 5.

Remember : the answers to these questions should be turned in to your TA by your class that meets the week of Oct. 20-23.

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