BI110 Chapter Notes - Chapter 2: Animalcule, Thylakoid, Robert Hooke
Document Summary
4/16/2013 7:18:00 pm: all organisms are composed of one or more cells, the cell is the basic structural and functional unit of all living organisms, cells arise from the division of preexisting cells. Cells first observed in the 1600"s by robert hooke and anton van. Van leeuwenhoek described bacteria and protists as animalcules . Mathias schleiden: plants are made of cells, and nucleus is important for development. Theodor schwann: all animals are made of cells. Rudolf virchrow (robert remak): cells only arise from preexisting cells. Microscopy has been key most cells are too small to be seen unaided by the human eye typical animal cell: 5-30 micrometer in diameter bacterial cell: approx 0. 5-5 micrometer in diameter. Surface area determines the amount of transport in and out. All forms of life are based on two distinct types of cells: prokaryotic and. Pro ->before, evolutionarily earlier form of life make up two of the domains of life: bacteria and archaea.