New version page

CHAPTER 8 CELL MEMBRANE STRUCTURE AND FUNCTION

Upgrade to remove ads

This preview shows page 1-2-3 out of 8 pages.

Save
View Full Document
Premium Document
Do you want full access? Go Premium and unlock all 8 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 8 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 8 pages.
Access to all documents
Download any document
Ad free experience

Upgrade to remove ads
Unformatted text preview:

1CHAPTER 8 CELL MEMBRANE STRUCTURE AND FUNCTION CELL MEMBRANES❚ . PROTEIN/PHOSPHOLIPIDS❚ . REGULATES THINGS THRU CELL❚ . SPECIAL FUNCTIONS❚ . ENDOCYTOSIS, EXOCYTOSIS❚ . PHAGOCYTOSIS/ WHITE BLOOD❚ CELLS, BACTERIA, PROTISTA STRUCTURE OF CELL MEMBRANE❚ . LIPID BILAYER❚ . IMPERMEABLE TO IONS AND ❚ POLAR MOLECULES, EXCEPT H20❚ . PHOSPHOLIPID, PROTEIN❚ . FLUID MOSAIC MODEL❚ . PHOSPHOLIPIDS, GLYCOPROTEINS, GLYCOLIPIDS AND CHOLESTEROL2Figure 8.2 Two generations of membrane modelsFigure 8.3 Freeze-fracture and freeze-etchMEMBERANE STRUCTURE❚ MEMBRANES ARE FLUID❚ PHOSPHOLIPID AND PROTEIN MOVEMENT IN THE MEMBRANE.❚ MEMBRANES ARE MOSAICS OF STRUCTURE AND FUNCTION; INTEGRAL AND PERIPHERAL PROTEINS.3Figure 8.4 The fluidity of membranesFigure 8.6 The detailed structure of an animal cell’s plasma membrane, in cross sectionFigure 8.8 Sidedness of the plasma membrane4Figure 8.9 Some functions of membrane proteinsOSMOSIS❚ . WATER MOVEMENT THROUGH A SELECTIVE PERMEABLE MEMBRANE.❚ . DUE TO A GRADIENT IN SOLUTION CONCENTRATION❚ . FROM HIGH TO LOW CONCENTRATION❚ . MANY PRACTICAL APPLICATIONSFigure 8.10 The diffusion of solutes across membranes5CELL EQUILIBRIUM❚ . TONICITY:❚ . HYPERTONIC SOLUTIONS❚ HIGH % SOLUTES/SHRIVEL❚ . HYPOTONIC SOLUTIONS❚ LOW % SOLUTES/BURST❚ . ISOTONIC SOLUTIONS❚ EQUAL % SOLUTE/SOLVENTFigure 8.12 The water balance of living cellsAPPLICATIONS OF OSMOSIS❚ . MAKING VEGETABLES CRISP❚ . BODY WRAPS/EPSOM SALTS❚ . THOSE PUFFY EYES/CUCUMBERS❚ . KEEPING BODY CELLS FIRM❚ . WHICH BODY LOTIONS WORK THE❚ BEST/ WHAT ABOUT COLLAGENS? ❚ . SALTY SOUP/POTATOES6OSMOREULARITY❚ . CELL SURVIVAL❚ . PROTISTANS❚ . PARAMECIUM❚ . CONTRACTILE VACUOLE❚ . PUMPS WATER OUT OF CELL❚ . TURGIDITY/PLANT CELL❚ . PLASMOLYSISFigure 8.13 The contractile vacuole of Paramecium: an evolutionary adaptation forosmoregulationFigure 8.15 The sodium-potassium pump: a specific case of active transport7Figure 8.16 Review: passive and active transport comparedFigure 8.17 An electrogenic pumpFigure 8.18 Cotransport8Figure 8.19 The three types of endocytosis in animal cellsFAULTY MEMBRANES❚ Familial Hypercholestroemia❚ High Cholesterol/ faulty or deficient LDL receptors. LDL, HDL are proteins that carry cholesterol to liver to be dumped.❚ Normal LDL’s is 125, HDL’s 45-50.❚ Buildup of Cholesterol because LDL receptors may decrease with


Download CHAPTER 8 CELL MEMBRANE STRUCTURE AND FUNCTION
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view CHAPTER 8 CELL MEMBRANE STRUCTURE AND FUNCTION and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view CHAPTER 8 CELL MEMBRANE STRUCTURE AND FUNCTION 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?