03 The Cell Gen Zoo
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Transcript of 03 The Cell Gen Zoo
The CellThe Cell
Rubie Maranan-Causaren
Prokaryotic cellCELL TYPES
Prokaryotic cell
Eukaryotic cell (animal)CELL TYPES
Cell Structure: 3 basic divisions
Cell Membrane: Fluid Mosaic Model
Phospholipid
Membrane componentsMembrane components
Membrane LIPIDSMembrane LIPIDS• 1. phospholipids
2 l li id• 2. glycolipids• 3. cholesterol
Membrane PROTEINS• 1. integral• 2. peripheral2. peripheral
Phospholipid bilayerPhospholipid bilayer
Integral Proteins
ORGANELLESORGANELLES
NuclearNuclear Compartment
NuclearNuclear Compartment
Mitochondrion
RIBOSOMES
ENDOPLASMIC RETICULUM
GOLGI COMPLEX
Relationship of ER and GolgiTransport vesicle
cisternaeRER
ribosomes
cisternae
llysosome
Secretory vesicleyExocytosis of
contents
LysosomesLysosomes• Intracellular digestionIntracellular digestion• Autophagy• Autolysis during apoptosisAutolysis during apoptosis• Extracellular digestion
lysosome
peroxisome
Peroxisomes• H2O2 metabolism
Organic cmpds.
H O
oxidase
H2O2
catalase
degraded
catalase
Peroxisomes
•Detoxification of harmful compounds• Methanol• ethanolethanol• Phenol
F ld h dcatalase
• Formaldehyde• nitrites
CYTOSKELETON
CILIA & FLAGELLA
CENTRIOLES
CENTRIOLES
InclusionsInclusions
• VacuolesVacuoles• Vesicles
F t d l t• Fat droplets• Pigments• Crystals• GranulesGranules
Salamat!Salamat!