Cell Biology
7 interactive Biology simulations on cell biology.
- Biology · Cell Biology Levels of biological organization Zoom continuously from molecules up to the biosphere: molecule, organelle, cell, tissue, organ, organ system, organism, population,... Ages 15–16
- Biology · Cell Biology Cell cycle and mitosis The cell cycle ring runs G1 → S → G2 → M with a phase hand, three checkpoints, and a DNA-content graph; alongside it, an animated cell... Ages 15–16
- Biology · Cell Biology Enzyme activity vs. temperature, pH, substrate concentration and inhibitors The enzyme (with an active site) and substrate molecules move around and collide; when a substrate molecule fits the active site it is... Ages 15–16
- Biology · Cell Biology Meiosis and the origin of gamete variation Step through each phase of meiosis I and II in a cell with n pairs of homologous chromosomes. Toggle crossing over and watch the number... Ages 15–16
- Biology · Cell Biology Diffusion across membranes and osmosis in cells On the left, small molecules diffuse through membrane pores from high to low concentration until equilibrium, with particle counts on... Ages 15–16
- Biology · Cell Biology Water and macromolecules – polarity and hydrogen bonding The water mode draws polar H₂O molecules with an oxygen end carrying a partial negative charge and two hydrogen ends carrying a partial... Ages 15–16
- Biology · Cell Biology Eukaryotic and prokaryotic cell structure Diagrams of an animal cell, a plant cell and a bacterium with organelles drawn in their correct positions. Students click each organelle... Ages 15–16
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