Download BIO 105 Summer 2013 Chapter 3 Part I – The Cell Cell Theory

BIO 105
Summer 2013
Chapter 3 Part I – The Cell
Cell Theory
Categories of cells
Characteristics of cells
Parts of the cell
Plasma membrane, nucleus, cytoplasm
Plasma membrane
Composition
Functions
Membrane transport
Passive Transport
Diffusion
Facilitated Diffusion
Osmosis
Active Transport
Vesicular transport
Endocytosis & exocytosis
Nucleus
Cytoplasm
Ribosomes
Endoplasmic Reticulum
Golgi Apparatus
Mitochondria
Lysosomes
Cytoskeleton
Microfilaments & microfilaments
Objectives: By the end of lecture today you should be able to address the following points:
1. What is cell theory?
2. Identify the cellular organelles and their functions.
3. What is the difference between a eukaryotic and prokaryotic cell?
4. What are the major parts of a eukaryotic cell?
5. Describe the structure/composition of the plasma membrane. What are the functions of the
plasma membrane?
6. What is the fluid mosaic model?
7. Differentiate between passive and active transport. Be able to give examples of both.
8. Describe the processes of simple diffusion, facilitated diffusion and osmosis.
9. When is vesicular transport used? How does it work? Is it considered an active or passive
process? What is the difference between endocytosis and exocytosis? Distinguish between
pinocytosis and phagocytosis.
10. Describe the concept of tonicity. What is the difference between hypotonic, isotonic, and
hypertonic solutions?
11. Describe the basic structure and function of the nucleus.