Robert Hooke is best known for observing ___ cells, which were ___
cork, dead
Anton van Leeuwenhoek is best know for observing ___ cells, which were ___
algae spirogyra, living
what are the 3 tenents of cell theory in order from most to least recent
- all organisms are composed of one or more cells
- the cell is the structural unit of life
- cells can only arise from preexisting cells
who proposed the first two tenents of cell theory
schwann and schleiden
who composed the 3rd tenent of cell theory
virchow
what was the significance of the pasteur experiment
showed that life has to come from exisiting cells
define pasteurization
low temperature preservation technique that kills microorganisms. does not change nature of food to preserve nutrient value
define sterilization
high temperature thermal processing technique that extends the shelf life of a product
sterilization is (more/less) effective than pasteurization
more
prokaryotes consist of
bacteria and archaea
eukaryotes consist of
plants, animals, fungi
