Cell Organelles. Endoplasmic Reticulum: Structure Network of membranous channels Rough ER -...
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Transcript of Cell Organelles. Endoplasmic Reticulum: Structure Network of membranous channels Rough ER -...
![Page 1: Cell Organelles. Endoplasmic Reticulum: Structure Network of membranous channels Rough ER - studded with ribosomes Smooth ER - no ribosomes.](https://reader036.fdocuments.in/reader036/viewer/2022062309/5697bf811a28abf838c854c9/html5/thumbnails/1.jpg)
Cell Organelles
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Cell Organelles
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Endoplasmic Reticulum: Structure
Network of membranous channels Rough ER - studded with ribosomes Smooth ER - no ribosomes
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Ribosomes
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Rough ER: Function
•Processes and sorts proteins to be secreted out of cell
•Sends proteins in vesicles that pinch off from the membrane
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Smooth ER: Structure
No ribosomes attached
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Golgi Apparatus
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Smooth ER: Function
•Makes lipids and carbos
•Detoxifies poisons•Stores and releases Ca+2 ions
•Removes phosphate group from glucose so can leave cell
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Golgi Apparatus (Bodies): Structure
Flattened stack of membranes (not continuous)
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Golgi Apparatus: Function
• Modifies, sorts, packages, and transports proteins from ER
• Forms transport vesicles
Show Campbell Ch 07 Endomembrane System & Lysosome Formation
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Lysosomes: Structure
• Are vesicles filled with digestive enzymes
Show Lysosome Animation
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Lysosomes: Function
5-week old fetus
• Digest damaged or worn out organelles
• Digest entire cells
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Lysosomes
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Lysosomes: Function
Digest pathogens and molecules
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Peroxisomes: Structure
Kidney epithelial cells Green = peroxisomes; Red = nucleus
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Peroxisomes: Function
•Oxidize fatty acids and amino acids•Neutralize toxic compounds made when oxidizing fatty acids and amino acids
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Mitochondria: Structure
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Mitochondria: Function
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Nucleus: Structure
Nuclear Envelope
Nucleoplasm
Chromatin
Nucleolus
Nuclear Pore
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Nucleus: Chromatin
• DNA exists as strands of chromatin, except during cell division
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Nucleus: Function
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Figure 02.02tao
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Cytoskeleton: Structure and Function
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Microtubules
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Microfilaments
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Microfilaments
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Microvilli
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Microvilli: Structure and Function
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Centrosome and Centrioles
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Centrosomes/Centrioles
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Centrosome
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Centrosome
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Centrioles
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Cilia: Structure
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Figure 02.02tal
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Cilia: Function
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Figure 02.02tam
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Flagella: Function
Normal sperm at bottom and abnormal sperm at top
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Ribosomes: Structure and Function
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Cell Organelles Video