| A | B |
|---|
| Anton van Leeuwenhoek | looked at living organisms in pond water |
| Matthias Schleiden | concluded all plants are made of cells |
| Thoedor Schwann | concluded all animals are made of cells |
| Rudolf Virchow | new cells come from living cells |
| cytoplasm | portion of cell outside the nucleus |
| microfilament | flexible framework for cell, made of actin, allows movement, |
| microtubules | hollow structures of tubulin, maintain cell shape, centrioles, cilia, flagella |
| cell wall | supporting layer outside cell membrane in plants |
| fluid mosaic model | model of cell membrane, made of many types of molecules that move around |
| aquaporins | water channel proteins |
| hypertonic | above strenght |
| hypotonic | below strength |
| receptor | binds to chemical signalling molecule for cell communication |
| organ system | group of organs that work together to form specific function |
| isotonic | same strength |
