Intro Biology
Searchable Q & A

Welcome to our Q & A database for Biology C2005/C2006! It contains student Q & A from as far back as 1997, with each question assigned a number of course-relevant keywords to improve searchability. Keyword searches will also suggest related keywords to (hopefully) help you make sense of interrelated material. You may make multiple selections in the "Year" and "Exam" selection boxes by holding down CTRL and clicking. Also, a keyword search for "problem book" on a given exam/year will yield all Q & A specifically related to assigned problems.

Please report errors and suggestions to Evan (erh2103@columbia.edu). Please, let us know if you find this helpful.

© Copyright 2003-2005 Lawrence Chasin and Deborah Mowshowitz; Department of Biological Sciences, Columbia University, New York, NY
Database and scripts developed by Evan Heller.

Email a question to: Dr. Chasin or Dr. Mowshowitz

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(2009-09-24): 1858. Since the amino acids we talk about are only in the L-forms, we should just write it out in the way that we learned in class. Is there a different form for R? It seemed that you didn't emphasize on the difference that much during lecture.  (exam 1)

(2009-09-24): 1859. Regarding weak bonds between non-polar amino acids in the "loops," you mentioned that hydrophobic force are created by the repulsion of the water molecules, and not necessarily a bond?  (exam 1)

(2009-09-24): 1860. Just to clarify, is an ion-dipole interaction also a polar interaction? One of my TAs said this, but I wanted to make this clear.  (exam 1)


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