Beginner s Guide to Molecular Biology Explains molecular biology and cell biology to beginners in an accessible format. A wide range of science lessons concerning biology and life sciences. Appropriate for K-12. A range of topics including geology, oceanography, and geography. Back to Top Click on any of the vocabulary words below to hear them pronounced and used in a sentence.
Bacteria are tiny, bar-shaped life forms.
A group of large, photosynthetic bacteria that are blue-green in color. Cyanobacteria produced oxygen in the ocean. Any of various nucleic acids that are the molecular basis of heredity, are localized especially in cell nuclei, and are constructed of a double helix held together by hydrogen bonds. Because DNA stores the cell s genetic information, it is like the blueprint of a living cell. Warming of the surface and lower atmosphere of a planet caused by conversion of solar radiation into heat.