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Lipids*hydrophobicity based on structure
Fats store energy
*Glycerol
*Fatty acid
Fats can be:
Saturated
Unsaturated
Macromolecules
Introduction to CellsHow we study cells:
*Light microscope
microscope
*magnification *resolving power
*Electron microscope
Two basic types:
*Transmission (TEM) *Scanning (SEM)
A view of the cell:
plasma membrane
*All cells are membrane bound, possess ribosomes and contain DNA
Red blood cell
outside of cell
inside of cellHydrophobi
c region
Hydrophilic region
Hydrophilic region
PhospholipidProteins
Carbohydrate side chain
*Two categories of cells: prokaryotic eukaryotic
A view of the cell:
Ribosomes
2. All cells possess ribosomes
3. All cells contain DNA
cytoplasmcytosol
*Additional components of any cell:
Small SubunitSmall Subunit
Large SubunitLarge Subunit
*nucleoid
A view of the prokaryotic cell:
*plasma membrane
*ribosomes
*cell wall
*capsule
*pili
Kingdom Monera – archaebacteria and eubacteria
A view of the eukaryotic cell:Elaborately compartmentalized systems
*Generalized animal cell
*Generalized plant cell
A view of the eukaryotic cell:nucleus
nuclear envelope
outer membraneinner
membranenucle
ar lamin
a
pore compl
ex
chromatinnucleolus
*nuclear lamina
*nucleolus
*chromatin
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