Day 1 Notes
Popular in Biology 110
Popular in Biology
This 2 page Class Notes was uploaded by Sohaib Jaffer on Wednesday September 7, 2016. The Class Notes belongs to BIo 110 at Eastern Michigan University taught by Dr.Eisenbach, Dr. Winning in Fall 2013. Since its upload, it has received 8 views. For similar materials see Biology 110 in Biology at Eastern Michigan University.
Reviews for Day 1 Notes
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 09/07/16
Sohaib Y. Jaffer 9/12/12 Bio 110 Notes Day 2 - Cell membrane o Structure Fluid Mosaic Model Phospholipid Proteins o Membrane Transport Diffusion Osmosis Facilitated Diffusion Channels Carriers o Active Transport o Bulk Transport - Challenge o Nutrients in wastes out - Phospholipd Bilayer o Amphipathic o Naturally become a sphere Hydrophobic and sugar are rejected from getting inside of the sphere - Membrane Proteins o Types of Membrane protein Integral membrane protein Directly associated with bilayer o Transmembrane protein Crosses P Lipid bilayer Lipid – anchored protein Peripheral membrane Proteins Indirectly associated – by binding to integral membrane proteins o Cell-cell Adhesion - Other membrane molecules o Carbohydrates + protein= Glycoprotein o Carbohydrates + lipids = glycolipids - Cholesterol - Phospholipids – lateral Rotation Flex ( fatty acid tail) They cannot flip flop - Protein have same movements except flexing and flip flopping - Cholesterol reduces fluidity - Higher temp. more liquid - Lower temp. less liquid - Membrane Transport o Diffusion- Net random movement from high concentration to low concentration. o Osmosis: net movement of water across a selectively permeable membrane from how solute to high solute Hypertonic: High Solute concentration Hypotonic: Lower solute concentration Isotonic: Equal solute concentration - Auqaporius- membrane protiens that allow passage of H2o - Concentration gradient- high to low - Concentration gradient + charge Gradient = electrochemical gradient - Transport protein 1. Channel Proteins- a. facilitated diffusion i. Passive no energy required 2. Carrier Protein a. Involve a shape change i. Conformation change - One type of solute : uniporter - Two different Solutes: o Same directions : Symporter o Different Directions : Anitporter - Levels of protein Structure - 1^0: sequence of a.a.s - 2^0 : Alpha helix and Beta – Sheet - Tertiary 3^0: 3D Shapes ( conformation) - Quaternary 4^0: 3D Shape of a multipeptide protein. o Hydrophobic interactions - Protein – As a functional molecule consisting of one or more polypeptide
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'