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Campbell Biology 9th Edition Chapter 7

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Biology
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Biology
Membrane biology
Cell biology
Cell membrane
Semipermeable membrane
Lipid bilayer
Osmosis
Biological membrane
Passive transport
Facilitated diffusion
Active transport
Fluid mosaic model

CHAPTER 7 Membrane Structure and Function Overview: Life at the Edge The plasma membrane is the boundary that separates the living cell from its surroundings The plasma membrane exhibits selective permeability, allowing some substances to cross it more easily than others Concept 7.1: Cellular membranes are fluid mosaics of lipids and proteins Phospholipids are the most abundant lipid in the plasma membrane Phospholipids are amphipathic molecules, containing hydrophobic and hydrophilic regions The fluid mosaic model states that a membrane is a fluid structure with a ?mosaic? of various proteins embedded in it Membrane Models: Scientific Inquiry Membranes have been chemically analyzed and found to be made of proteins and lipids

Campbell Biology 9th Edition Chapter 6

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Biology
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Anatomy
Biology
Cell biology
Organelles
Membrane biology
Cytoskeleton
Endomembrane system
Cell membrane
Cell
Microtubule
Eukaryote
Endoplasmic reticulum

CHAPTER 6: A TOUR OF THE CELL Overview: The Fundamental Units of Life All organisms are made of cells The cell is the simplest collection of matter that can be alive Cell structure is correlated to cellular function All cells are related by their descent from earlier cells Concept 6.1: Biologists use microscopes and the tools of biochemistry to study cells Though usually too small to be seen by the unaided eye, cells can be complex Microscopy Scientists use microscopes to visualize cells too small to see with the naked eye In a light microscope (LM), visible light is passed through a specimen and then through glass lenses Lenses refract (bend) the light, so that the image is magnified Three important parameters of microscopy

Campbell Biology 9th Edition Chapter 2

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Biology
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Chemistry
Nature
Chemical bonding
Covalent bond
Chemical bond
Ionic bonding
Chemical compound
Chemical polarity
Hydrogen bond
Valence
Molecule
Electronegativity

ELEMENT ATOMIC # ATOMIC WEIGHT VALENCE ELECTRONS COVALENT BONDS H hydrogen 1 1 C carbon 6 12 N nitrogen 7 14 O oxygen 8 16 P phosphorus 15 31 S sulfur 16 32 1 4 5 6 5 6 1 4 3 2 3 2 SPONCH Facts CHAPTER 2: THE CHEMICAL CONTEXT OF LIFE Chapter 2: The Chemical Context of Life ?Devil?s Gardens? Overview: A Chemical Connection to Biology Biology is a multidisciplinary science Living organisms are subject to basic laws of physics and chemistry One example is the use of formic acid by ants to maintain ?devil?s gardens,? stands of Duroia trees Sodium Chlorine sodium chloride- a compound Elements and Compounds Matter is made up of elements An element is a substance that cannot be broken down to other substances by chemical reactions

Campbell's Biology 9th Edition Chapter 5

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Biology
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Campbell Soup Company
Joseph Campbell
Food and drink
Campbell's Hall of Fame Tennis Championships

K E Y C O N C E P T S 5.1 Macromolecules are polymers, built from monomers 5.2 Carbohydrates serve as fuel and building material 5.3 Lipids are a diverse group of hydrophobic molecules 5.4 Proteins include a diversity of structures, resulting in a wide range of functions 5.5 Nucleic acids store, transmit, and help express hereditary information O V E R V I E W The Molecules of Life Given the rich complexity of life on Earth, we might expect organisms to have an enormous diversity of molecules. Re- markably, however, the critically important large molecules of all living things?from bacteria to elephants?fall into just four main classes: carbohydrates, lipids, proteins, and nucleic acids. On the molecular scale, members of three of these

AP Bio Lab - Diffusion and Osmosis

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Biology
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Transport phenomena
Diffusion
Chemistry
Chemical engineering
Psychology
Membrane technology
Human development
Psychoanalysis
Attachment theory
Osmosis
Molecular diffusion


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