Science.gov searches over 36 databases and 1,850 selected websites, offering 200 million pages of authoritative U.S. government science information, including research and development results.

Publisher of almost 200 open access journals. Covers the fields of biology, cellular & molecular biology, evolutionary biology, genetics, genomics, neuroscience, physiology, biotech, biochemistry, bioinformatics, pharmacology, infectious diseases and many more.

The oldest and largest single life science membership organization in the world. Open to any person interested in microbiology with at least a BS/BA degree or equivalent experience in microbiology. Microbiology students are also eligible for membership.

Community of Science -- Database of 50,000 first-person expertise descriptions. Primarily designed to identify research contacts and funding opportunities.

Provides educational meetings and publications to disseminate knowledge in the biological sciences.

A nonprofit membership organization of scientists and physicians who study the brain and nervous system. The organization also promotes the sharing information to inform the public and legislators, and offers professional development opportunities.

Society of Research Administrators is the premier global research management society providing education, professional development and the latest comprehensive information about research management to over 5,000 members from over 40 countries.

The National Academy of Sciences (NAS) is an honorific society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare.

Journal of Visualized Experiments (JoVE) is a peer reviewed, online journal devoted to the publication of biological research in a video format. Some free content. See lab techniques and experiments carried out.

Online reference manual with emphasis on cellular and molecular biology. Alphabetical index/glossary of terms with brief definitions, illustrations, and links to broader discussions.

List of resources for cellular & molecular biology compiled by Harvard University.

University of Utah site that explains microbiology and genetics in a visual and easy way. Sections on genetic technology, DNA, proteins, heredity, cellular structure, genetics disorders and more.