BIO152H5 Lecture Notes - Antonie Van Leeuwenhoek, Cell Theory, Animalcule
Document Summary
Bio152 lecture #1: biology: scientific study of living organisms, living organisms share several basic properties, cellular organization, energy/metabolism, heredity information, replication/reproduction, growth/development, evolution existing cells, cell theory: all living organisms are made of cells, and all cells come from pre , robert hooke: made the first microscope, and found pore like compartments, anton van leeuwenhoek: first to study single celled animalcules i pond, cells: highly structured compartment surrounded by cell membrane. from oak bark, which are core cells. water (paramecium) Help keep internal environment ideal for chemical reactions to take place: two hypothesis of generation of cells, spontaneous generation hypothesis: cells arise spontaneously from, all cells from cells hypothesis: cells are produced only when preexisting nonliving materials cells grow and divided, pasteur"s experiment, straight necked flask: place broth in straight neck flask, boil to sterilize, found broth is filled with living cells.
