Molecular and Cellular Biology. You are analyzing a compound in the laboratory. You find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydrogen atoms for each carbon atom. Enzymes are involved in almost every chemical reaction in the body.
The Biology Corner: This resource for biology teachers includes a lesson plan section which contains classroom activities, labs and worksheets. The activity sheets are categorized by Science and Literacy, Anatomy, Scientific Method, Cells, Phyla, Evolution and Taxonomy, Genetics, Ecology, and Plants.