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Cell Organelle Structure and Function

Presentation depicting Cell Organelle Structure and Function

John Bernosky

on 4 September 2012

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Transcript of Cell Organelle Structure and Function

Cell Organelle Structure and Function Nucleus Rough Endoplasmic Reticulum Smooth endoplasmic reticulum Mitochondria
Lysosome Contains DNA
Directs the activities of the cell
Contains the Nucleolus ( manufactures ribosomes ) Network of canals studded with ribosomes
Produces phospholipids and proteins for export The Detox organelle
Produces steroids The powerhouse of the cell
Involved in Cell respiration
produces ATP A digestive sac of enzymes
destroys cells that are damaged or no longer needed
destroys damaged or old organelles Ribosomes Site of protein synthesis
Free ribosomes- produce proteins for use within the cell.
Bound ribosomes- produce proteins for export Golgi Apparatus UPS of the cells
receives newly made protiens and lipids that are packaged in vesicle
modifies and ships vesicle contents to different parts of the cell centrioles Found inside the centrosome
organize microtubules that are involved in cell division
Only found in Animal Cells Chloroplasts Found in plant cells and algae
Organelle of photosynthesis Cytoskeleton A network of thin tubes and filaments that crisscross the cytosol
Give shape to the cell
acts as a system of internal tracks on which items move around the cell
Structural elements are: Microtubules , microfilaments, intermediate filaments Cilia and Flagella Hairlike structures that extend from the surface of the cell
Composed of microtubles ( 9+2 arrangement)
Cilia- shorter and present in large numbers
Flagella - longer and present in small numbers Cell Wall Plants: cell wall composed of cellulose
Bacteria: cell wall composed of peptidoglycan
Fungi: cell wall composed of chitin vesicles spherically shaped sacs surrounded by a single membrane that are classified by their contents Peroxisomes detox alcohol and other drugs vacuole fluid filled organelle that may store water,wastes food and other material.
In Plants there is a large central vacuole
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