Modern Biology 03 121 Exam 2 Review 17 October 2012 Cindy Zhu Ch 6 Lipids 1 Type of Lipid Fats triglyceride Structure Function Steroids Phospholipids 2 Rank the following substances in order of permeability Ions Cl Na K Small uncharged Polar molecules H2O glycerol Small nonpolar molecules O2 CO2 N2 Large uncharged polar molecules glucose sucrose 3 Type of Transport Diffusion Movement High low concentration Active Passive Facilitated Diffusion Active Transport 4 An animal cell in solution will burst shrink no change a hypertonic shrink b hypotonic burst c isotonic no change Example Ch 7 1 Fill in the differences Prokaryotic Eukaryotic Function Hold genetic information Euk Prok Animal Plant Location of DNA Size Cytoskeleton Organelles 2 Fill in the organelle Organelle Synthesize protein Synthesis folding process protein Synthesize fatty acid and phospholipids Process sort ship proteins Digestion and recycling Detox oxidation reactions Storage Produce ATP Photosynthesis Structural support Selectively permeable Protection and structural support Spin around to aid movement 3 Three ways materials are delivered into the cell to the lysosome 4 Cytoskeleton elements Subunits Function and example Actin Actin monomer Microtubules Intermediate Filaments Ch 8 1 Fiber Composites are crosslinked networks rod filaments protect against ground substance protect against Type Structural components Plant Cell Wall i Animal ECM i ii ii iii 2 Cell linkage and communication Name Tight junction Linkage or Communication Link adjacent animal cells Cell cell attachment in animal cells Passage of molecules in adjacent animal cells Gap in plant cells 3 Cell Signaling Across long distances Lipid soluble Lipid insoluble What sends signals Who receives Where Lipid soluble Lipid insoluble 4 Explain the purpose of Signal transduction Signal amplification Purpose Tissue Type Water tight seal Stomach intestines Muscle epithelia all all Ch 9 Cell Respiration Step General Function Location Products In Products Out Net ATP Glycolysis 2 Pyruvate Processing 0 Citric Acid cycle 2 Electron Transport Chain 25 Regulation Ch 14 1 How do we know DNA holds genetic makeup and not proteins Describe Harvey Chase experiment
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