Lecture 1 -Cellular Biology Lecture 1

Lecture 1 -Cellular Biology Lecture 1 - Objectives Describe...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Objectives Describe normal physiology of cell function Identify key functions of the cell Describe the basic physiology of tissue formation. Cellular Functions Movement Conductivity Metabolic absorption Secretion Excretion Respiration Reproduction Communication Structure and Function of the Cell Nucleus Cytoplasm Intracellular organelles Plasma membrane Plasma Membrane Functions Structure Protection Activation of cell Storage Cellular communication Plasma Membrane Composition Lipids: Two layers Hydrophobic layer(“water hating”) –protected from H20 Hydrophilic layer (“water loving”) immersed in H20 Creates barrier to water diffusion and hydrophilic substances Allows lipid soluble molecules(02 and CO2) to diffuse Proteins Binding units for substances in/out of the cell Transport channel for ions/electrolytes Cell surface markers Cell adhesion molecules Catalyst for chemical reactions. • Carbohydrates: glycoproteins Lipid Bilayer • prism.gatech.edu Plasma Membrane Protein Functions Nucleus Surrounded by cytoplasm Cell Division Gene replication Replication/ transcription of DNA Nucleolus: RNA processing micro.magnet.fsu.edu Cytoplasmic Organelles a. Ribosomes b. Endoplasmic reticulum c. Golgi complex d. Lysosomes e. Peroxisomes a. Mitochondria g. Cytoskeleton ___ Contain enzymes for digesting most cellular substances ____ Processing/packaging proteins ___ “Bones/muscles” of the cell ____ Contain oxidative enzymes that produce hydrogen peroxide to detoxify wastes ____...
View Full Document

This note was uploaded on 03/07/2012 for the course 830 201 taught by Professor Leyton during the Fall '08 term at Rutgers.

Page1 / 33

Lecture 1 -Cellular Biology Lecture 1 - Objectives Describe...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online