Chapter 4 Notes - Chapter 4 Notes Biology Cell Theory All life is composed of cells Unicellular Bacteria Multi-cellular One cell is part of a unit

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Chapter 4 Notes – Biology – 9/8/09 Cell Theory – All life is composed of cells Unicellular – Bacteria Multi-cellular – One cell is part of a unit 7. What are the 2 main categories of cells? a. Prokaryotic Cells 1. No nucleus, no cellular organelle Ex. Bacteria, Archeae – All single Cellular B. Bacteria – 3 types based on cell shape 1. Bacillus – Rod Shaped 2. Coccus – Cocci – Round 3. Spirrilia – Spiral Shaped (like macaroni) b. Eukaryotic A. Have a nucleus & cell organelles B. Most Eukaryotic organisms are multi-cellular Organelle – intracellular structure that performs a specific function Plasmid – Circular rings of unused DNA Nucleoid – DNA Ribosome – without them you cannot make proteins Endoplasmic Reticulum – ER a. Rough ER – RER a. Studded with Ribosomes b. Makes proteins b. Smooth ER – SER a. No Ribosomes
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b. Synthesis of Phospholipids c. Detoxifies/Metabolizes Drugs and Alcohol 9/10/2009 32-34. Golgi Apparatus A. Modifies protein a. Addition of CHO
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This note was uploaded on 10/21/2009 for the course BIOL 1406 taught by Professor Mrs.longlet during the Spring '09 term at Lamar State College–Port Arthur.

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Chapter 4 Notes - Chapter 4 Notes Biology Cell Theory All life is composed of cells Unicellular Bacteria Multi-cellular One cell is part of a unit

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