All prices are as listed, OBO, and negotiable.

Chemistry from 31X to 135
Chemistry: Science of Change (4th ed) [with model set!] - $100 (New: $217.95)
Introduction to Spectroscopy (3rd ed) - $60 (New: $178.95 for 4th ed)
Organic Chemistry Laboratory I and II: for Chem 36 and 130 - $30 (New: $67.50)
[Also Biochemistry (6th ed) - $100 (New: $211.25), listed below]

Biology Core
Biochemistry (6th ed) - $100 (New: $211.25)
Life: The Science of Biology (8th ed) - $75 (New: $185.50)
The Cell: A Molecular Approach (4th ed) - $50 (New: $117.95)

BIO 112 (Human Physiology)
Textbook of Medical Physiology (11th ed) - $50 (New: $122.00)

BIO 141 (Biostatistics)
Statistics for the Life Sciences (3rd ed) - $60 (New: $130.67)
Introductory Statistics with R (2nd ed) - $30 (New: $59.95)

All books are like new except for Chemistry: Science of Change, which has an impressive coffee stain on one page. Its the introductory page for a chapter though, so you're not missing anything. Also, all books are totally unmarked, again save for the coffee stain.

Comparison prices are from http://www.bkstr.com/ when possible, Amazon.com otherwise.