Answers_Ch13 - Prof Wachter Office Hours MW 2:30 to 3:20...

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Prof. Wachter Office Hours: MW 2:30 to 3:20 pm (or by appointment) Blackboard Part B: look under “Course Content” Homework Problems: Assigned problems (Textbook, Powerpoint postings): Some will be reviewed in class (Clickers). For each clicker problem, 2 points are awarded for a correct answer, and 1 point for an incorrect answer. Participation points: 20 percent of the final grade (10% Part A, 10% Part B).
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Exams (Wachter): Exam #3: Friday November 1 st Exam #4: Wednesday December 4 th Comprehensive final examination: Monday December 9 th 12:10 to 2:00 pm. Grades (Part B, Wachter) will be curved for all exams: There is no predetermined cut-off for A+, A, A-, B+, B, B-, etc.
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Supplementary Reading (Wachter): highly recommended Select text will be posted as appropriate from the following source: Physical Chemistry, Principles and Applications in Biological Sciences (Fourth or Fifth Edition) Tinoco, Sauer, Wang, Puglisi (2002, 2013)
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Lecture notes: Powerpoint: posted Chalk talks: posted In class problem solving exercises: Essential for quantitative understanding (math)
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Date Chapter Topic Notes Mo 10/07/13 Chapter 13 Non-covalent interactions Supplementary reading (as posted) Wed 10/09/13 Non-covalent interactions Fri 10/11/13 Hydrophobic effect Mo 10/14/13 Fall Break --------- Wed 10/16/13 Protein structure and modeling Fri 10/18/13 Problem solving Mo 10/21/13 Chapter 14 Electronic transitions Supplementary reading (as posted) Wed 10/23/13 Absorbance Fri 10/25/13 Fluorescence Mo 10/28/13 Circular Dichroism Wed 10/30/13 Problem Solving Fri 11/01/13 Exam III Mo 11/04/13 (JA) NMR Wed 11/06/13 (JA) NMR Fri 11/08/13 (JA) EPR Mo 11/11/13 Veterans Day ---------------- Wed 11/13/13 Chapter 15 X-ray crystallography Supplementary reading (as posted) Fri 11/15/13 X-ray crystallography Mo 11/18/13 X-ray crystallography Wed 11/20/13 Problem solving Fri 11/22/13 Chapter 18 Membrane Potentials Mo 11/25/13 Problem solving Wed 11/27/13 Chapter 20 Photosynthesis Fri 11/29/13 Thanksgiving ------------------ Mo 12/02/13 Problem solving Wed 12/04/13 Exam IV Fri 12/06/13 Review for final exam Mo 12/09/13 Final Exam 12:10 2:00 pm in PS-H153 Tentative Schedule for Part B
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Reading: Required: Allen pp 276-289 Recommended: Tinoco pp 493-514 Assigned Problems: Chapter 13: 13-11, 13-12, 13-13 Problems discussed in class and posted. Non-covalent interactions and protein structure
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What is the electrostatic potential of two electrons separated by one Å in a vacuum? Electrostatic Potential (1) 1. 2,778 kJ/mol 2. 1,389 kJ/mol 3. -1,389 kJ/mol 4. -2,778 kJ/mol
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What is the electrostatic potential of two electrons separated by one Å in a vacuum? Electrostatic Potential (1) Answer: 2. 1,389 kJ/mol V(r) = ࠵?, ࠵?࠵?࠵? · ࠵? ࠵? ·࠵? ࠵? ࠵?࠵? Separation r in Angstroms (Å) q 1 = -1; q 2 = -1; ε = 1
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What is the electrostatic potential of a positive (+1) and a negative (-1) charge separated by 3 Å in the non-polar interior of a lipid membrane ( ε = 2)? Electrostatic Potential (2) 1. 463.0 kJ/mol 2. - 231.5 kJ/mol 3. + 231.5 kJ/mol 4. -1,389 kJ/mol
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What is the electrostatic potential of a positive (+1) and a negative (-1) charge separated by 3 Å in the non-polar interior of a lipid membrane ( ε = 2)?
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