Biology exam 2
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the two basic types of cells
Prokaryotic and Eukaryotic
Cell Theory's Three Principles
1. all living things are composed of at least one cell 2.all cells come from cells 3.cells are the basic unit of life
cell theory
All cells come from preexisting cells and consists of three principles
Eukaryotic cells
Larger, complex, with nucleus, membrane bound organelles, DNA tightly wrapped around histone proteins in chromosomes, cellulose in plant cell walls. ex: plants,animals,fungus
prokaryotic cell
This cell is similar,no membrane bound organelles ex:bacteria,archaea
Each cell is surrounded by what?
plasma membrane
