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UWGA - BIOL 1107 - Study Guide - Midterm

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UWGA - BIOL 1107 - Study Guide - Midterm

School: University of West Georgia
Department: Biology
Course: Principles of Biology
Professor: Micheal Arterburn
Term: Fall 2016
Tags: Biology, Cell, membrane, Energy, pathways, and Enzymes
Name: Biology 1107 Study Guide
Description: This study guide covers chapters 6,8, and 9
Uploaded: 09/19/2016
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background image Biology 1107- Test 2 Study Guide Secondary Active Transport- brings glucose into the blood 
stream
Fluid Mosaic Model- general structure of membranes. 
Phospholipids form a bilayer in which proteins float. 
Hydrophilic head/hydrophobic tails/hydrophilic head
BONUS: 7 kJ/mole breaks phosphate bonds in ATP Cell Junctions: o Tight junctions: help ensure and form a seal for  directional movement of materials. o Desmosomes: link cells tightly, permit materials to  move o Gap junctions: allow communication Selective Permeability- (permeable and impermeable) o Passive transportation: no outside energy, higher to  lower (diffusion and osmosis) o Active transportation: requires ATP help Diffusion (passive)- random movement towards 
equilibrium- no “net” movement
o Diffusion rate depends on: Temperature of solution Concentration gradient Diameter of molecules or ions in solute o Simple Diffusion- higher concentration to lower  concentration Lipid-soluble passes easily (not sodium 
chloride)
background image Polar and charged molecules cannot easily 
pass
Osmosis- diffusion of water o Depends on number of particles present, not type Hypertonic: more solute particles outside than inside, 
water moves outside, cell shrinks (crenation)
Hypotonic: more solute particles inside cell than outside, 
water moves inside, cell bursts    
Isotonic: equal amount of solute particles  Facilitated diffusion (still passive)-  o channel proteins: lined with polar amino acids in  bilayer (bridge) o carrier proteins: carrier gets particles in membrane  (taxi) Energy is capacity to do work or change  o Potential- stored energy
o Kinetic- energy of movement
Metabolism- sum total of all chemical reactions in an 
organism
Anabolic Reaction- making (building) something from 
simpler things
Catabolic Reaction- breaking down things Main storage molecule of glucose- glycogen o Anabolic reaction Thermodynamics- changing energy into heat o Law 1: Energy is neither created nor destroyed 
o Law 2: Once converted, some is unable to do work
2

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School: University of West Georgia
Department: Biology
Course: Principles of Biology
Professor: Micheal Arterburn
Term: Fall 2016
Tags: Biology, Cell, membrane, Energy, pathways, and Enzymes
Name: Biology 1107 Study Guide
Description: This study guide covers chapters 6,8, and 9
Uploaded: 09/19/2016
5 Pages 41 Views 32 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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