Cell Theory

Question 1

3 premises of cell theory

Answer 1

1. cell is the basic unit of life
2. all living things are composed of 1 or more cells
3. cells come from preexisting cells (Virchow), proved by Louis Paster (swan-neck experiment proved that air alone did not cause spontaneous generation)

-cells are the major building blocks life, but not the only thing living organisms are made of (for instance, we are composed of water)

Question 2

schwann and schleiden

Answer 2

microbiologists who looked through microscopes and discovered that all living things are composed of one or more cells

Question 3

louis paster’s crooked neck flask

Answer 3

disproved that cells can spontaneously generate.

the microorganisms get trapped in the crooked neck, so the broth does not generate life if it doesn’t come in contact with dust; there is bacteria in the air