WebElements™
Periodic Table from the University of Sheffield, England -- http://www.webelements.com/

Chemfinder
Database and Internet searching -- http://www.chemfinder.com

NIMC
Integrated Spectral Data Base System -- http://www.aist.go.jp/RIODB/SDBS/menu-e.html

NIST WebBook
National Institute of Standards and Technology -- http://webbook.nist.gov

Organic Compound Database -- http://www.colby.edu/chemistry/cmp/cmp.html

The Basics of NMR -- http://www.cis.rit.edu/htbooks/nmr/

Chemspy -- http://www.chemspy.com

Searchable PDB files -- http://molbio.info.nih.gov/cgi-bin/pdb

Nobel Prize -- http://www.nobel.se/chemistry

Access to medline -- http://www.ncbi.nlm.nih.gov/PubMed/

Molecular Biology websites -- http://www.mbshortcuts.com

WebCutter (Restriction Enzyme Mapping)

PRC Web Primer -- http://genome-www2.stanford.edu/cgi-bin/SGD/web-primer

Bio-rad
Bio-rad Laboratories -- http://www.bio-rad.com

Promega
Promega -- http://www.promega.com

Ambion
Ambion -- http://www.ambion.com

Sigma-Aldrich
Sigma-Aldrich -- http://www.sigma-aldrich.com

SciQuest
Look for products at -- http://www.sciquest.com

Biowire.com
Read reviews of bio-related products at-- http://www.biowire.com

Chemjobs.net
Chemistry jobs worldwide -- http://www.chemjobs.net

ACS Journals -- http://pubs.acs.org/about.html

Science -- http://www.sciencemag.org

Nature -- http://www.nature.com/nature/

Nature medicine -- http://www.nature.com/nm/

Journal of Biological Chemistry -- http://www.jbc.org/

Journal of Molecular Biology -- http://www.idealibrary.com/servlet/toc/jmbi

Annual Reviews -- http://www.annualreviews.org

Scientific American -- http://www.sciam.com

PNAS -- http://www.pnas.org

Organizations

Chemistry.Org
A site provided by the American Chemical Society -- http://www.acs.org

NSF
The National Science Foundation -- http://www.nsf.gov

NIH
National Institutes of Health -- http://www.nih.gov

REU
Experience for Undergraduate Research -- http://www.nsf.gov/home/crssprgm/reu/reulist.htm