SUBCELLULAR ORGANIZATION Cell Size and Shape l Prokaryotes
SUBCELLULAR ORGANIZATION
Cell Size and Shape l Prokaryotes vs. eukaryotes
Restrictions on Cell Size l Relationship of volume and surface are:
Advantages Overall l Metabolic l Capacity of Nucleus l
Cell Shape
Cell Structure l Nucleus ¡ Function identified:
Nuclear Envelope
Nuclear membrane l Function l Structure
Nucleolus l Structure l Function
Chromosomes/Chromatin l Function l Differences
Ribosomes l Function ¡ Numbers ¡ Free ribosomes
Free Ribosomes l Structure l Function
Bound Ribosomes l Structure l Functions of proteins produced (2)
Endomembrane Organelles l Where l Why
Examples l Nuclear membrane l Plasma membrane
Endoplasmic Reticulum l General function l Structure l Amount
SER l Have enzymes that(3)
RER l Functions - 3
Golgi Apparatus l General function l Structure ¡ 2 sides & functions
Golgi Apparatus l Specific functions - 4
Lysosome l Function l Structure l Formation l Specific Functions – 3
Lysosome l Storage ¡ Pompe’s Diseases/ lysosome problems Disease ¡ Tay-Sachs Disease
Vacuoles & Vesicles
Vacuoles & Vesicles l Structure ¡ Differences ¡ General functions ¡ Specific functions & kinds – 3 l tonoplast
Peroxisome l Function l Structure l Specific Function
Energy Transformers ~ Mitochondria l Function l Structure ¡ Not endomembrane - explain
Mitochondria l l l Membrane composition Number of membranes Cristae Intermembrane space Mitochondrial matrix
Plastids l General function ¡ Chromoplast ¡ Amyloplast
Chloroplast l Structure – not part of endomembrane system (explain)
Chloroplast Thylakoid l Grana l Stroma l Functions l
Cytoskeleton l Function l General structure
Types of fibers of cytoskeleton l Microtubules ¡ Structure
Microtubules l Function ¡ How: Centrosome l Centriole l Cilia & Flagella l
Cilia & Flagella l Function l Structure of cilia & flagella– relationship to basal body
Cilia & Flagella l Movement ¡ name –
Microfilaments l Structure ¡ Size ¡ Description
Microtubules l General function ¡ Specific functions - 3
Intermediate Filaments l Structure ¡ Size ¡ Composition
Intermediate Filaments l General function ¡ Specific function
Comparison
Plant Cells l Cell Wall – also found in. . ¡ ¡ Composition Functions
Plant Cells l Structures ¡ ¡ ¡ Primary cell wall Middle lamella Secondary cell wall
Extracellular Matrix l What l Composition l Functions l New Functions
How Compartmentalization Organizes A Cell’s Function l Three ways
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