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Transcript
1,000
Cell:
Smallest
Unit of
Life
Cancer Cells
SEM
2,000
complex vs simple
http://www.cellsalive.com/howbig.htm
How Life is Organized
Prokaryotic Cell Plan
Eukaryotic Cell Plan
Comparison of Cell Types
Prokaryotic cell
Colorized TEM 15,000 
Nucleoid
region
Nucleus
Eukaryotic cell
Note - Size, scale, internal
organization of each
Organelles
Scale of Life
Cells are limited in size because of
surface area to volume ratio
Prokaryotic Cell Structure
Lacking well defined
nuclei or organelles
Variety of shapes and
sizes
Variety of Shapes and Sizes
Prokaryotic
Pneumonia
Strep Throat
Lyme’s Disease
Botchulism
Compartmentalization of Eukaryotic
Cells
Many small enclosed
environments to
create environments
for unique chemical
reactions.
Note the continuous
flow of membranous
compartments
Endomembrane
system- internal
system of membrane
bound compartments
Animal Cell
Plant Cell