Virchow
demonstrated that cells come from other cells
Robert Hooke
named after holes in cork
Dutrochet
saw that plant tissues had cells
Schleiden and Schwann
proposed the cell law
Hans Spemann
found that the nucleus determines what organism looks like
Eukaryotes
have nuclear membranes
Prokaryotes
do not have nuclear membranes
Cell membranes
2 layers of phospolipids
Selectively permeable
membranes control what passes into or out of cells
Chromatin
DNA and its associated proteins together
Diffusion
move from an area of more concentration to less
Nucleolus
contains RNA and protein
Solute
What NaCl is called when dissolved in water
Isotonic
physiological saline
Hypotonic
distilled water
