Lecture 2

Lecture 2 - Channel Setting Instructions for ResponseCard...

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Channel Setting Instructions for ResponseCard RF 1. Press and release the "GO or Ch" button. 2. While the light is flashing red and green, enter the 2 digit channel code (i.e. channel 1 = 01, channel 21 = 21). Set to Channel 44 by pressing “4”, then “4” 3. After the second digit is entered, Press and release the "GO or Ch" button. 4. Press and release the "1/A" button. The light should flash yellow to confirm.
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Lecture 2 Building Cells I: Biomolecules and Macromolecules Ch. 2
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Clicker warm-up: The Munson-Williams-Proctor Museum can be found in which Upstate NY city? 22% 18% 13% 23% 24% 1. Albany 2. Buffalo 3. Rochester 4. Syracuse 5. Utica
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Which bond is the strongest? 50 13 1 141 1. Ionic bond 2. Covalent bond 3. Van der Waals forces 4. Hydrogen bond
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A double bond between two atoms: 2% 88% 0% 3% 6% 1. Is found only in nucleotides 2. Constrains the geometry of a molecule by preventing rotation around this bond 3. Can only occur between two of the same and not different atoms/elements 4. Is longer and more flexible than a single
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In the highlighted peptide bond shown below, the C – N bond is: 5% 82% 8% 5% 1. Van der Waals 2. ionic 3. unsaturated 4. covalent
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Bases are defined as molecules that when in solution donate H+ ions to water, forming hydronium ions 79% 21% 1. True 2. False
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Chapter 2 Building Blocks of Biological Systems 1. Chemistry – bonds in and between the core building blocks a. C, H, O, N and water interactions b. Double bonds, peptide bonds and rotation c. Hydrogen bonds – 1. Sugars, Fatty Acids, Amino Acids and Nucleotides a. Properties, Functions and Assembly into macromolecules
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Ok, so we’re not dirt… Figure 2-4 Essential Cell Biology (© Garland Science 2010)
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02_07_periodic table.jpg Chemically speaking, there is some logic behind the elements found in living things Figure 2-7 Essential Cell Biology (© Garland Science 2010)
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Figure 2-26 Essential Cell Biology (© Garland Science 2010) A typical cell – relative amounts abundance of components
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Have a quick look over these – compare and contrast
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Bond geometries of key elements Figure 2-10 Essential Cell Biology (© Garland Science 2010)
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Rotation about the bond axis occurs unless it is constrained by a double bond Figure 2-11 Essential Cell Biology (© Garland Science 2010)
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Lecture 2 - Channel Setting Instructions for ResponseCard...

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