Lecture 2 Cell Components and Macro Molecules

Lecture 2 Cell Components and Macro Molecules - Peroxisomes...

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Bio 133 Jan 23, 2008 Cell Components and Macromolecules Proteins Prions- Proteins that are on a cell’s surface and they have the ability to be infectious Mad Coe disease Carbohydrates Simple Sugars (Glucose, Lactose, Fructose) Gives identity to Red Blood Cells (Type A, B, etc) Lipids Dietary Fats that provide protein Main components of cell membrane Nucleic Acid Genetic Material Cell Organelles Modifications of these organelles can cause disease Nucleus Membrane enclosed space containing the DNA They have enzymes supporting the DNA It has pores Rough and Smooth Endoplasmic reticulum Rough- Site for protein synthesis Smooth- Detoxifies toxins o Liver has much Smooth ER Lysosomes Breaks down foreign structures and organelles Membrane bound structure
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Unformatted text preview: Peroxisomes • Lets Fire Flies glow Mitochondria • Power house of the cell • They have their own DNA that came from your mom Cytoskeleton • Maintains cell shape and structure • Helps moves substances around the cell • Plays a big role on cancer formation o Cancer- Uncontrolled cell division o Cytoskeleton moves chromosomes apart Drugs inhibits cytoskeleton to stop replicating Cell Membrane • Made of Phospholipids and proteins • Controls movement of substance through the cell Ions • Positively or negatively charged molecules • Passes through protein channels o Hypertonic Paralysis- Na+ channels o Long QT syndrome- K+ channels o Cystic Fibrosis- Cl+ Channel Build up of mucus on the cells...
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This note was uploaded on 03/30/2008 for the course BIOL 133 taught by Professor Cloud during the Spring '08 term at Penn State.

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Lecture 2 Cell Components and Macro Molecules - Peroxisomes...

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