Introduction to Cells

Introduction to Cells - Cells Topics: 1. Types of cells...

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Topics: 1. Types of cells (prokaryotic vs. eukaryotic) 2. Cell Structure (eytoplasm, cytoskeleton) 3. Organelles 4. Membranes (chapter 5) Some organisms are a  single  cell Human have more than  200 types  of cells Many shapes – spherical, elongated, flat, irregular Vary in exterior and interior structures Two broad cell groups: Prokaryotic Eukaryotic Prokaryotic Cells Made up only of  Bacteria DNA not enclosed in nuclear membrane Small size On earth 3.8 billion years ago Found nearly everywhere on Earth Structure of Prokaryotic Cells Cell Surface: Plasma membrane, many have cell wall, some have a capsule (slime layer) –  all protect from environment Some have pilli – extensions for attachment Some have flagella – for locomotion Cell Interior:
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This note was uploaded on 04/30/2008 for the course BIO 101 taught by Professor Wetherbee during the Fall '08 term at Rhode Island.

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Introduction to Cells - Cells Topics: 1. Types of cells...

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