The importance of the membrane that surrounds the cell, as a regulator of the passage of materials to and from the cell becomes apparent in The Plasma Membrane and Cellular Transport. Learn about the remarkable process of cell reproduction as Mitosis examines how cells divide so that an organism can grow and replace damaged cells. Explore an essential process for life of forming sex cells, namely sperm and eggs, that are formed by a variation of cell division called Meiosis. The vital biological process of converting food into a source of energy that can be used by the cell. Explores how DNA replicates itself to produce an exact copy of the original molecule.
Mind stimulating tutorials let students practice using punnett squares to predict outcomes.
The microscopic world of viruses and bacteria are represented using vivid diagrams and animations, along with electron photomicrographs, photographs, and narratives. The first part teaches about the components of blood, while the second introduces the components and processes of the immune system. Digitally dissect the cat. Check your knowledge with virtual lab practicals. View movies of actual dissections.