.
Access Excellence - A lot of information on biology and biotechnology for students and teachers. (Genentech) (Beginner's Level)
Biochemistry Online: An Approach Based on Chemical Logic - Biochemistry within the framework of chemical principles and logic. (Henry Jakubowski, College of St. Benedict/St. John's University)
Biofundamentals (Beginner's Level)
Biology Online - Basic biology tutorial, dictionary and links. (Beginner's Level)
The Biology Project - Tutorials on most areas of modern biology, including major subjects of cell biology. (University of Arizona) (Beginner's Level)
BioMEDIA Galleries - This site includes graphics of cellular processes and images of protists. (Beginner's Level)
BioVisa.net - Biological Web portal. (Beginner's Level)
Bugs in the News! - Answers to a lot of biology questions you might have wondered about since you were a kid or things you might have heard about but were afraid to ask - there's a section entitled "What the heck is...?" (John Brown, University of Kansas) (Beginner's Level)
Cell Biology Laboratory Manual - Information for instructors and students of cell biology. (Beginner's Level)
Cell Biology Web Pages - Excellent text- and image-based overview of cell and organelle structure and function. (Gwen V. Childs, University of Arkansas for Medical Sciences) (Just above Beginner's Level)
Cell Biology.com - Overview of cell biology. (Altruis Biomedical Network) (Beginner's Level)
CELLS Alive! - Images of cells doing cellular things. (Beginner's Level)
The Dictionary of Cell and Molecular Biology - "It is intended to provide quick access to easily-understood and cross-referenced definitions of terms frequently encountered in reading the modern biology literature." (Useful for all levels)
Dr. NAD's Cell Science Links - A collection of cell biology links for students at all levels. (Beginner's to Advanced Levels)
EverythingBio.com - General biology resource. (Beginner's Level)
HHMI's BioInteractive - A "collection of biology-focused teaching materials" with animations, lectures, mini-lessons, a virtual museum, video clips and "Ask a Scientist" to get answers to biology questions. (Howard Hughes Medical Institute) (Beginner's Level)
Histology-World - "This site includes histology quizzes, histology games, slides, mnemonics, histology puzzles, audio slides and lots of information about histology."
The History of Cell Biology
The JayDoc HistoWeb - "Histology atlas that corresponds with the laboratory exercises of the Cell & Tissue Biology course of the School of Medicine of the University of Kansas."
Kimball's Biology Pages - A comprehensive online biology textbook. (Beginner's Level)
The Mad Scientist Network - If you have a question in any area of science, including cell biology, and wish to have it answered by a specialist, go here. (Beginner's Level)
The Medical Biochemistry Page - An excellent biochemistry tutorial with information on a broad range of biochemical pathways. (Michael W. King, Terre Haute Center for Medical Education, Indiana University School of Medicine)
Microbiology Textbook: The World of Microbes - Everything you always wanted to know about microbes. (University of Wisconsin, Madison) (Beginner's Level)
Microbiology Video Library - Quicktime movies, some of which are relevant to cell biology, such as a phagocytosis sequence and another showing cytoplasmic streaming. (Beginner's Level)
MIT Biology Hypertextbook - A general tutorial on biochemistry, genetics and molecular and cell biology. (Beginner's Level)
Molecular Biology Web Book - Introduction to molecular and cell biology. (Just above Beginner's Level)
National Institutes of Health Office of Science Education - Free resources for science teachers at elementary, secondary and college/university levels.
On-Line Biology Book - Comprehensive introduction to biology at the "college freshman" level by M.J. Farabee. (Beginner's Level)
ScienceIQ.com - "We deliver fascinating and engaging science facts daily to your email, and offer an extensive science facts online archive." (Beginner's Level)
Virtual Cell - A collection of still images, texts and movies covering the structure and functioning of a typical plant cell. (Beginner's Level)
The Visible Embryo - Visual and textual presentation of early human development from egg to birth. (Beginner's Level)
A Web Atlas of Cellular Structures (Beckman Institute for Advanced Science and Technology at the University of Illinois, Urbana-Champaign) (Just above Beginner's Level)
Wikipedia - Free online encyclopedia with basic overviews. (Beginner's Level)
Biochemistry
Cell Biology
Molecular Biology
WWW Cell Biology Course - A comprehensive basic online course in cell biology. (Beginner's Level)
Zygote - Wonderful resource devoted to developmental biology for people at all levels, with a lot of information pertinent to cell biology. (Scott Gilbert, Swarthmore College) (Beginner's to Advanced Levels)
Miscellaneous Resources with Relevant Biological or Biomedical Content
Atlas of Hematology - Images of blood cells (neutrophils, eosinophils, basophils, lymphocytes, megakaryocytes, erythrocytes, etc.) in normal and pathological states. (Nivaldo Medeiros)
Faculty of 1000 - "Faculty of 1000 is a new online research tool that highlights the most interesting papers in biology, based on the recommendations of over 1000 leading scientists."
Journal Club on the Web - An interactive medical "journal club" with summaries and comments on articles from the recent medical literature and feedback from readers.
Knowledge Updates - "MIT Knowledge Updates are educational briefings on life science topics. Each Knowledge Update offers key industry information, articles and resources, and a video presentation by an MIT professor to help academics and professionals get up to speed quickly on complex topics."
Medscape - Portal and information resource site for medical professionals.
Molecular Immunology - Hierarchical information source on molecular immunology with definitions, descriptions, images and links. (Daniele Focosi)
Molecular Medicine - Hierarchical information source on molecular medicine with definitions, descriptions, images and links. (Daniele Focosi)
Protist Image Data (PID) - A site that "provides pictures and short descriptions of selected protist genera, especially those genera whose species are frequently used as experimental organisms or are important in studies of organismal evolution." (University of Montreal, Canada)
Siphs - "A free social networking and social bookmarking service for researchers in the life sciences."
Tissue Engineering Pages - "In 1995 the Tissue Engineering Pages were initiated as a first information website for people interested in Tissue Engineering. [...] The Tissue Engineering Pages provide up to date information on conferences, organizations as wells as international tissue engineering projects." (Michael Sittinger, Laboratory for Experimental Rheumatology and Tissue Engineering, Medical Faculty Charité, Berlin, Germany)
Other Specialized Web Directories or Search Engines
About.com: Biology
All the Virology on the WWW - An extensive catalog of resources devoted to virology as a whole and also to individual viruses; many of these resources are highly relevant to cell biology. (David Sander, Tulane University)
AllRefer Reference and Encyclopedia Resource
Biology and Genetics Encyclopedia
Biochemistry Encyclopedia
Awesome Library - Science - Biology - Directory of educational sites. (Useful for all levels)
BioChemHub - Links to educational resources in biology and chemistry. (Dyann Schmidel)
BioLinks - Portal for the biology community.
Biomechanics World Wide - Resources in biomechanics, both organismal and cellular/subcellular.
BioScience Research Tool - Links to many online resources.
Biotaq.com - Biotechnology information and links.
The Bio-Web - Comprehensive collection of important links in biology, including sequence and data analysis, journals and research institutions. (Andrea Cabibbo, Molecular Immunology Unit, San Raffaele Scientific Institute, Milan, Italy)
Biowww.net
Cell and Molecular Biology Online - Links to a large number of resources in cell and molecular biology.
Community of Science - A "global resource for hard-to-find information critical to scientific research and other projects across all disciplines."
LifeSciencesWorld
MedBioWorld - An extensive medical and bioscience reference and resource directory.
MERLOT (Multimedia Educational Resource for Learning and Online Teaching) - A "free and open resource designed primarily for faculty and students of higher education. Links to online learning materials are collected here along with annotations such as peer reviews and assignments."
The Molecular Biology Directory - A gateway to Web resources for molecular biology, genetics, microbiology and biochemistry.
Molecular Biology Search Engine - A search engine that searches a range of Web sites devoted to molecular biology and related fields.
Open Directory Project
Science: Biology: Biochemistry and Molecular Biology - Open Directory links to biochemistry and molecular biology resources.
Science: Biology: Cell Biology - Open Directory links to cell biology resources.
Physico-Chemical Biology - Selected Scientific Journals - Collection of links to selected scientific journals and free resources (in English and Russian). (Vladimir Melgunov, Moscow State University)
Scirus - "Scirus, the search engine for science, focuses only on Web pages containing scientific content."
The Scout Report - Weekly reviews of Web resources in the natural and social sciences (reviewed by professionals at the University of Wisconsin and partly sponsored by the NSF).
Yahoo! Science: Biology - Yahoo! links to biology resources.
Scientific Web Magazines
ScienceDaily - Science news on a daily basis.
The Scientist - Magazine for scientists.
Discussion Groups
BioChemWeb.org Discussion Board - Discussions and questions/answers for scientists and students.
Usenet newsgroup archives
BIOSCI/bionet (can also be accessed through Google Groups: bionet); see also individual subject pages for newsgroups on more specific topics.
AMYLOID/bionet.neuroscience.amyloid - Research on Alzheimer's disease and related disorders.
ANNELIDA/prototype - Discussion on annelid worms.
ARAB-GEN/bionet.genome.arabidopsis - Information about the Arabidopsis project.
BIOFILMS/bionet.microbiology.biofilms - Research on microbial biofilms.
BIOFORUM/bionet.general - General discussion on biology.
BIONAUTS/bionet.users.addresses - Who's who in Biology.
BIONEWS/bionet.announce - Announcements of interest to biologists.
BIOPHYS/bionet.biophys - The science and profession of biophysics.
CARDIORS/bionet.biology.cardiovascular - Scientists engaged in cardiovascular research.
CELEGANS/bionet.celegans - Research discussions on Caenorhabditis elegans and related nematodes.
CELLBIOL/bionet.cellbiol - Cell biology research.
CHLAMY/bionet.chlamydomonas - Research on Chlamydomonas and other green algae.
CYTONET/bionet.cellbiol.cytonet - Cytology research.
DEEPSEA/bionet.biology.deepsea - Deep-sea marine biology, oceanography and geology.
DIAGNOST/bionet.diagnostics -Problems and techniques in all fields of diagnostics.
DROS/bionet.drosophila - Research into the biology of fruit flies.
IMMUNO/bionet.immunology - Research in immunology.
MAIZE/bionet.maize - Research on maize.
MICROBIO/bionet.microbiology - The science and profession of microbiology.
MOLLUSCS/bionet.molbio.molluscs - Discussions about research on mollusc DNA.
MYCOLOGY/bionet.mycology - Research on fungal life.
NEUR-SCI/bionet.neuroscience - Research in the neurosciences.
PARASITE/bionet.parasitology - Research in parasitology.
PLANT-ED/bionet.plants.education - Education issues in plant biology.
PLANTBIO/bionet.plants - Research in plant biology.
PROTISTA/bionet.protista - Discussion on protists (protozoa, algae, zoosporic fungi).
PSEUDOMO/bionet.organisms.pseudomonas - Research on the genus Pseudomonas.
SCHISTO/bionet.organisms.schistosoma - Discussions about Schistosoma research.
SYMBIO/bionet.biology.symbiosis - Research in symbiosis.
TOXICOL/bionet.toxicology - Research in toxicology.
TROP-BIO/bionet.biology.tropical - Research in tropical biology.
URODELES/bionet.organisms.urodeles - Research on urodele amphibians.
VECT-BIO/bionet.biology.vectors - Research and control of arthropods which transmit disease.
VIROLOGY/bionet.virology - Research in virology.
YEAST/bionet.molbio.yeast - Molecular biology and genetics of yeast.
ZBRAFISH/bionet.organisms.zebrafish - Discussion group for Zebrafish researchers.
Google Groups: sci.bio
Google Groups: sci.chem
Google Groups: sci.chemistry
Molecular Station Forum - "Discussion forum to post questions and receive help for molecular biology protocols, methods and techniques."
NIH LISTSERV - E-mail lists served by the NIH list server.
Scientist Solutions - An "internet discussion site or "Board" to provide scientists a resource for the exchange of ideas and information" in "21 categories of scientific disciplines that are further divided into discussion forums."