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674 Biochemistry Prof. Jason D. Kahn Nucleic Acids You have 80 minutes for this exam. Your Name: Exam #2: November 16, 1999 University of Maryland, College Park Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be concise. You will not need a calculator for this exam, and no other study aids or materials are permitted. Useful equation: = P / (P + K) BCHM 674 Exam 2 11/16/99 2 1 . (18 pts) Enzymatic manipulations and cloning Directional cloning (using different sticky ends at each end of an insert to be cloned) is a good thing. To illustrate why, consider cloning the fragment at the right in each panel below into the plasmid at the left, after cleavage with the indicated enzymes. The A sites are orientation markers: we will not cut with A but please include the site in drawings you make below. (0 pts) Draw the initial restriction products after vector cleavage, before addition of insert. (a; 10 pts, ~1 each) Draw possible circular ligation products of vector + insert , assuming vector is not purified and no phosphatase is used. Omit all vector multimers and species with >3 inserts. BCHM 674 Exam 2 11/16/99 3 (b; 8 pts) Draw the possible ligation products if phosphatase treatment is used appropriately (and tell me when that is). Assuming that inverted repeats don t clone, indicate the clonable products. 2. (20 pts) Protein-nucleic acid interaction methods (a; 5 pts) Sketch the graph of fractional saturation vs. protein concentration for a simple protein-DNA interaction. Label axes and KD (this is independent of parts b and c). BCHM 674 Exam 2 11/16/99 4 Protection against restriction enzyme digestion can be used to study protein-DNA interaction For example, BamH I restriction enzyme digestion can be used to measure the binding affinity of the generic DNA Binding Domain (DBD) below for its specific site as indicated. DBD BamH I site Xba I site (b; 8 pts) Sketch a native gel showing an experiment using BamH I digestion to determine a binding constant for the DBD, including the appropriate control lanes. Label the gel bands and the lanes. Hint: this is not a gel shift experiment, results would be the same after SDS treatment. (c; 7 pts) What additional information could Xba I digestion provide in this experiment? Sketch the experimental manifestation of your answer. BCHM 674 Exam 2 11/16/99 5 3. (22 pts) Specificity and structure (a; 2 pts) What is the H-bond donor-acceptor matrix in the major groove for the base pairs below: 5 C G T A 3 One common mode of DNA recognition is the use of hydrogen bond networks, such that one amino acid can recognize two base pairs simultaneously by forming multiple hydrogen bonds. (b; 3 pts) On the sketch below (the same base pairs as in a), add a plausible bridging asparagine side chain between the two base pairs. 7 (c; pts) Of the 16 dinucleotides, choose three which could be excluded (i.e. to which binding would be disfavored) given the asparagine positioned as you have drawn it. Explain your reasoning briefly, once. Why are there 16 possible dinucleotides to be recognized rather than just 10? BCHM 674 Exam 2 11/16/99 6 (d; 2 pts) What kind of DNA recognition (direct readout etc.) is typified by the TATA box binding protein (TBP)? The pictures below show the Rev Response Element (RRE) RNA before (left) and after (middle) Rev protein binding, and the protein RNA complex (right, from a different lab) FREE RNA: BOUND RNA: (e; 8 pts) Identify two related general features of the protein-RNA recognition event shown which are typical of RNA recognition but unusual for dsDNA recognition. On the other hand, what aspect of the bound structure is reminiscent of protein-DNA recognition? BCHM 674 Exam 2 11/16/99 7 4 . (20 pts) DNA replication (a; 4 pts) Pyrophosphorolysis is the microscopic reversal of nucleotide incorporation. Write out the chemical reactions for nucleotide addition to a primer and for pyrophosphorolysis. (b; 6 pts) Pyrophosphorolysis appears to have potential for proofreading: a DNA polymerase could adapt a 3 5 exonuclease active site to simply reverse off a misincorporated base at no energy cost. What s wrong with this picture? What important kinetic partitioning step does the real 3 5 exonuclease make possible as part of increasing fidelity? (c; 6 pts) List two ways in which chromosomal DNA replication burns ATP energy in ways that are not related directly to the synthetic reaction above. What is the biological function of each energydissipating reaction? BCHM 674 Exam 2 11/16/99 8 (d; 4 pts) Briefly describe the Meselson-Stahl experiment and its significance. 5. (20 pts) Miscellaneous: Chromatin, cell cycle, telomeres (a; 6 pts) Discuss why a translationally positioned nucleosome is also a more stable nucleosome than one formed on random DNA. (Hint: any sequence can be packaged.)What is the experimental signature of translational positioning? (b; 4 pt) Sketch the essential idea of the licensing model for eukaryotic DNA replication. BCHM 674 Exam 2 11/16/99 9 (c; 10 pts) Give two reasons why organisms with linear chromosomes (like us) need telomeres. What does the telomerase enzyme use as a template? Why is telomerase under study as an anti-aging target? What are possible side-effects? If anti-aging worked perfectly, would it be good or bad? Do Not Write Below This Line Score: Question 1: Question 2: Question 3: Question 4: Question 5: Total: out of 18: Enzymatic manipulations and cloning methods out of 20: Protein-nucleic acid interaction methods out of 22: Specificity and structure out of 20: DNA replication out of 20: Miscellaneous: Chromatin, cell cycle, telomeres out of 100
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BCHM465S99-x2.pdf
Path: Maryland >> BIOCHEM >> 2 Fall, 2008
Description: Biochemistry 465 Section I and only April 15, 1999 Exam #2 Prof. Jason D. Kahn Your Printed Name: Your SS#: Your Signature: You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Ex...
BCHM674F97-x2.pdf
Path: Maryland >> BIOCHEM >> 2 Fall, 2008
Description: Biochemistry 674: Nucleic Acids Exam II, November 18, 1997 You do not need a calculator. Guess if you dont know. Give clear and concise answers. You have 85 minutes for this exam. Your Name: Prof. Jason Kahn 1 . Methods (20 pts) (a) (4 pts) Draw AT...
BCHM674F96-x2.pdf
Path: Maryland >> BIOCHEM >> 2 Fall, 2008
Description: Biochemistry 674: Nucleic Acids Exam II, November 19, 1996 Your Name: Prof. Jason Kahn There are five questions on this exam, worth 20 points each (really). You do not need a calculator. Answer the easy questions first, guess if you dont know, and ...
BCHM674F95-x2.pdf
Path: Maryland >> BIOCHEM >> 2 Fall, 2008
Description: BCHM 674 Exam II, 1995 1 Nucleic Acids Your Name Here: Prof. Jason Kahn Biochemistry 674, Fall, 1995: Exam II: November 16, 1995 This exam has five questions worth 20 points each. Answer all five. You do not need a calculator. I have provided more...
Exam I, 10-7-08.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 465 Your Name: Biological Information Processing Prof. Jason Kahn Exam I (100 points total) October 7, 2008 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explana...
BCHM465_F08_exam1_key.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: ...
Exam I, 10-3-06.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674 Nucleic Acids Your Name: Prof. Jason Kahn October 3, 2006 Exam I (100 points total) You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be c...
Exam I, 10-3-06-key.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674 Nucleic Acids Your Name: Key Prof. Jason Kahn October 3, 2006 Exam I (100 points total) You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should...
bchm465_06_x1.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 465 Biological Information Processing Your Name: Prof. Jason Kahn March 2, 2006 Exam I (100 points total) You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explan...
bchm465_06_x1_key.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 465 Biological Information Processing Your Name: Prof. Jason Kahn March 2, 2006 Exam I (100 points total) You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explan...
Exam-I-10-6-05.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674 Your Name: Nucleic Acids Prof. Jason Kahn Exam I (100 points total) October 6, 2005 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be conc...
Exam-I-10-6-05-key.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674 Your Name: Key Nucleic Acids Prof. Jason Kahn Exam I (100 points total) October 6, 2005 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be ...
Exam-I-10-7-04.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674 Your Name: Nucleic Acids Prof. Jason Kahn Exam I (100 points total) October 7, 2004 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be conc...
BCHM674F01-x1.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674 Your Name: Nucleic Acids Prof. Jason Kahn Exam I October 11, 2001 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be concise and clear. You...
BCHM465S01-x1.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: BCHM465 Your Name: Biochemistry III, Molecular Genetics Prof. Jason Kahn Exam I March 6, 2001 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be concise and...
BCHM465_01_x1_key.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: ...
BCHM674F00-x1.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674: Nucleic Acids Prof. Jason Kahn Exam I October 12, 2000 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be concise and clear. You may need ...
BCHM674F99-x1.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674: Nucleic Acids Prof. Jason Kahn Exam I October 14, 1999 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be concise and clear. You will need...
BCHM465S99-x1.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 465 Section I March 4, 1999 Exam #1 Prof. Jason D. Kahn Your Printed Name: Your SS#: Your Signature: You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations...
BCHM674F97-x1.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674: Nucleic Acids Prof. Jason Kahn Exam I October 9, 1997 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be concise and clear. You will need ...
BCHM674F96-x1.pdf
Path: Maryland >> BIOCHEM >> 1 Fall, 2008
Description: Biochemistry 674: Nucleic Acids Prof. Jason Kahn Exam I October 8, 1996 You have 80 minutes for this exam. Exams written in pencil or erasable ink will not be re-graded under any circumstances. Explanations should be concise and clear. You will need ...
ClassroomConnections.pdf
Path: Maryland >> CLARK >> 12 Fall, 2008
Description: Office of Undergraduate Admissions Mitchell Building College Park, MD 20742 800.422.5867 www.uga.umd.edu Maryland Classroom Connection: Engineering Your Future Educating students about the many opportunities in engineering is our specialty, and the ...
belhumeur97tpami.pdf
Path: Maryland >> ENEE >> 739 Fall, 2008
Description: IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, VOL. 19, NO. 7, JULY 1997 711 Eigenfaces vs. Fisherfaces: Recognition Using Class Specific Linear Projection ~ Peter N. Belhumeur, Joao P. Hespanha, and David J. Kriegman AbstractWe de...
etemad97josa.pdf
Path: Maryland >> ENEE >> 739 Fall, 2008
Description: 1724 J. Opt. Soc. Am. A / Vol. 14, No. 8 / August 1997 K. Etemad and R. Chellappa Discriminant analysis for recognition of human face images Kamran Etemad and Rama Chellappa Department of Electrical Engineering and Center for Automation Research, ...
chellappa95ieee.pdf
Path: Maryland >> ENEE >> 739 Fall, 2008
Description: ...
zhao03acm.pdf
Path: Maryland >> ENEE >> 739 Fall, 2008
Description: )UUbQQUQbUcjb2UQ2bbU7bfbbb b}UQ`7bbU\'Ur U\"GbU)bb\'b7bh7cr q t o q s } }q y o u ~s p r u } | x wq t ups x s s } w p r p s s t } q r} r ws ~ y ys ~ `gjc\'cU{qzb{yh)$U{js uc7@gUn\'cU{qzu{p0w WnbjsUUccUU{qzp {p0urchgzp ~ ps ...
exworkdesc.doc
Path: Maryland >> ITD >> 3 Fall, 2008
Description: DESIGNATED BIBLIOGRAPHIC+HOLDINGS EXPORT PROCESS The export of bibliographic data with selected embedded holdings data will be accomplished using a newly defined process, referred to in this document as p_export_01. Running the export process Four pa...
mnghldgsexp.doc
Path: Maryland >> ITD >> 3 Fall, 2008
Description: How to manage holdings export. Step A. Defining what holdings data will be included in export. 1. Indicate which holdings library is to be processed in the first run-time parameter specified in the p_export_01 script. 2. Indicate the associated bibli...
CL8_Salonga_SOF.pdf
Path: Maryland >> CL >> 8 Fall, 2008
Description: Landscape Highlights Surface Area: 102,847 km2 Partners: ICCN, WWF, WCS, ZSM, MPI, LWRP National Parks: 1 (2 sectors), covering an estimated 36,560 km2 (36% of landscape) Biodiversity (N species) TBD Mammals: 53 (est.) Birds: > 101 Plants: TBD Salon...
HowToBecomeMGBR08.pdf
Path: Maryland >> MASTERGARD >> 1 Fall, 2008
Description: State Master Gardener Ofce Home and Garden Information Center 12005 Homewood Road Ellicott City, MD 21042 UNIVERSITY MARYLAND How to become a Maryland Master Gardener G K OF (410) 531-5556 www.mastergardener.umd.edu The Home and Garden Informa...
EducatingResidentsBR08.pdf
Path: Maryland >> MASTERGARD >> 1 Fall, 2008
Description: Benets for Individuals and Communities: Save money and enjoy a healthier environment by reducing fertilizer use thereby reducing runoff into our watersheds and bay Save money and reduce health risk by minimizing the use of pesticides and other toxins...
BayWiseBr08.pdf
Path: Maryland >> MASTERGARD >> 1 Fall, 2008
Description: Maryland Master Gardener Program Our Vision: A healthier world through environmental stewardship Our Mission: Educate Maryland residents about safe, effective, and sustainable horticultural practices that build healthy gardens, landscapes, and commu...
paintingtheconquest.pdf
Path: Maryland >> ENGL >> 2 Fall, 2008
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paintingtheconquest.pdf
Path: Maryland >> ENGL >> 699 Fall, 2008
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boyernissenbaum.pdf
Path: Maryland >> ENGL >> 2 Fall, 2008
Description: ...
boyernissenbaum.pdf
Path: Maryland >> ENGL >> 699 Fall, 2008
Description: ...
abstract.pdf
Path: Maryland >> ECE >> 5 Fall, 2008
Description: Characterization of eld stitching in e-beam lithography using moir metrology e Thomas E. Murphy, Mark K. Mondol, and Henry I. Smith Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology, Cambridge, MA 02139 U...
poster.pdf
Path: Maryland >> ECE >> 5 Fall, 2008
Description: Moir Principle Illustrated p1 (not resolvable in optical microscope) p2 (not resolvable in optical microscope) Moir Pattern: p1p2 P= |p2 p1| (easily resolved in optical microscope) P Position (phase) of moir fringes is very sensitive to relati...
01_Granatstein.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: MURI on The Effects of High Power Microwaves and Chaos in 21st Century Analog and Digital Circuits (Administered by AFOSR) Introduction to Presentations by University of Maryland, College Park (UMCP) and Boise State University (BSU) Overview of Rese...
02_Antonsen.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: Statistical Properties of Wave Chaotic Scattering and Impedance Matrices MURI Faculty: MURI Students: Tom Antonsen, Ed Ott, Steve Anlage, Xing Zheng, Sameer Hemmady, James Hart AFOSR-MURI Program Review Electromagnetic Coupling in Computer Circui...
03_Anlage.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: Universal Field, Impedance, and S-Matrix Statistics of Metallic Enclosures Students: Sameer Hemmady, X. Zheng, Faculty: E. Ott, T. M. Antonsen and Steven M. Anlage MURI Review 2004 Project funded by the USAF-MURI and DURIP programs 1 Goal and Outli...
04_Ramahi.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: EM Noise Mitigation in Circuit Boards and Cavities Faculty (UMD): Omar M. Ramahi, Neil Goldsman and John Rodgers Visiting Professors (Finland): Fad Seydou Graduate Students (UMD): Xin Wu, Lin Li, Baharak Mohajeriravani, and Shahrooz Shahparnia Mechan...
05_Melngailis.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: Schottky Diode and MOSFET RF-Detector and Focused Ion Beam Post-Processing MURI Annual Review Woochul Jeon, Robert Newcomb Todd Firestone, John Rodgers & John Melngailis University of Maryland. Original Project Objectives: - Direct analog microwave...
06_Iliadis.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: Experimental Investigation of Microwave Vulnerabilities in CMOS Inverters Agis A. Iliadis, and Kyechong Kim Electrical and Computer Engineering Department University of Maryland, College Park, MD 20742 Collaboration T. Firestone, J. Rodgers, J. Kim,...
07_Goldsman.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: EM Effects on Semiconductor Devices, Gates and Integrated Circuit Interconnects Dept. of Electrical and Computer Engineering, UMCP Neil Goldsman Collaborators: Omar Ramahi, John Rogers, Bruce Jacob, Agis Iliadis Xi Shao, Parvez N. Guzdar Akin Akturk,...
08_Rodgers.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: IREAP Studies of Upset and Nonlinear Effects in Circuits and Systems John Rodgers, Todd Firestone, Victor Granatstein, Thomas Antonsen, Ed Ott, Steve Anlage*, Renato Mariz de Moraes*, Vassili Demergis*, Alexander Glasser* and Marshal Miller* Institu...
09_Jacob.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: CIRCUIT INTEGRITY MURI Review October 2004 Bruce Jacob University of Maryland SLIDE 1 RF and Circuit Integrity in Digital Systems Prof. Bruce Jacob Electrical & Computer Engineering University of Maryland blj@umd.edu AFOSR-MURI Annual Review, Octob...
10_Knowlton.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: Gate Oxide Degradation R. Jacob Baker and Bill Knowlton Microwave test structures Whats been done What were doing Motivation Why oxide is the weakest link Device stress Circuit stress The weakest link (gate oxide stress) Experimental results ...
11_Granatstein.pdf
Path: Maryland >> IPR >> 2001 Fall, 2008
Description: MURI on the Effects of High Power st Century Microwaves and Chaos in 21 Analog and Digital Circuits (Administered by AFOSR) Summary of Presentations Highlights and Research Plans presented by Victor Granatstein Third Annual Review 10/23/04 Microwav...
syllabus.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: GEO 446/GEO 789G : Geophysics Fall, 2006 August 30, 2006 Grading policy 1. Homework (6 sets) - 30% 2. Midterm -30% 3. Research paper - 40% Syllabus Heat transfer Lectures 2-9: 1D heat conduction, temperature prole of the continental and oceanic cru...
schedule.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Sheet1 Lecture Hours 1 2 Date Topic 09/06/06 Fourier s law Ch 4.2, 1D time dependent heat conduction Ch 4.6, 4.13, Conductive geotherm for mantle Ch 4.7 11:00-12:50 09/11/06 Distribution of radiogenic elements [Larchenbruch, 1968], Conductive ge...
lecture1.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Heat Transfer 1: Fall 2006 September 6, 2006 Overview In this section we will learn about the thermal structure of the Earths lithosphere and the mantle. We will consider the simple case of heat transfer by thermal conduction. We will demonstrate t...
lecture2.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Heat transfer 2 September 11, 2006 Overview In the last lecture we found out that the steady state conductive geotherm does not provide an adequate description for the thermal structure of the mantle. Today, we will derive a steady-state conduction...
hw1.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Homework set 1: Heat transfer September 11, 2006 Due 09/25/2006 1. Problem 4.1, Turcotte and Schubert, provide details of calculation. 2. Give the the steady state conductive geotherm in a mantle with constant heat production H, density , and therma...
lecture3.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Heat transfer 3 09/13/2006 Overview In this lecture we will explore the thermal structure of the oceanic lithosphere. In the previous lectures we have seen that a steady-state conductive geotherm describes the thermal structure of the continents qu...
lecture4.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Heat transfer 4 09/18/2006 Overview In this lecture we will discuss the relatively higher eciency of heat transfer by advection over conduction and the notion of adiabatic compressibility. We will derive an expression for the adiabatic geotherm in ...
lecture5.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Fluid Mechanics 1 09/20/2006 Overview Rocks in the Earths mantle behave in a uid-like manner. The elevated temperature beneath the lithosphere reduces the viscosity of the rock forming minerals allowing them to ow. Therefore, the principles of uid ...
lecture6.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Fluid Mechanics 2: Postglacial rebound 09/25/2006 Overview In this lecture we will use the governing equations of uid mechanics to calculate the viscosities of the Earths mantle. The Earths mantle responds to rapid (i.e. 104 yrs) loading and unload...
hw2.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Homework 2: Fluid mechanics Assigned: 09/25/06 Due: 10/09/06 Governing equations Equation for mass conservation: u v + = 0. x y Equations for momentum conservation: P xx yx + + , x x y P yy xy 0= + + + g. y y x 0= Constitutive equations: xx yy u...
lecture7.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Fluid mechanics 3: Mantle convection 09/27/2006 1 Overview Today, we will discuss about the onset of convective instability in layer of uid heated from below and heated within. Using a simplied linear stability analysis, we will establish a simpl...
lecture8.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Fluid mechanics 4: Boundary layer theory 10/02/2006 Overview Two important aspects of thermal convection are (1) the criterion for the onset of convection and (2) the structure of a convecting layer of uid. In the last lecture, we derived an express...
lecture9.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Fluid mechanics 5 10/04/2006 Overview The structure of a convecting uid layer can be determined from the boundary layer theory. Using the boundary layer theory, one can also calculate ridge-push and trench-pull, two major forces that drive tectonic...
lecture10.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Fluid mechanics 6: Thermal evolution of the Earth 10/09/2006 Overview Thermal evolution of the Earth is a complicated problem which simultaneously requires the principles of heat transfer, uid mechanics, and geochemistry. The rst study of the therm...
hw3.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Homework 3: Gravity Assigned: 10/09/2006 Due: 10/23/2006 1. Problem 5.1 Turcotte and Schubert. Use data from Appendix 2. Provide details of calculation. 10 points 2. Problem 5.12, Turcotte and Schubert. Use Table B in Appendix 1 for conversion. 10 po...
lecture11.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Gravity 1: Earths Gravity 10/11/2006 Overview Gravitational attraction between two masses can be calculated based on Newtons law of gravitation. The simple, yet elegant law can be used to calculate planetary orbits, detect subsurface ore bodies and ...
lecture12.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Gravity 2: Gravity anomalies 10/16/2006 Overview Surface gravity measurements are inuenced by a number of factors. The variations in the gravity measurements provide us with extremely valuable information regarding density structure of the underlyin...
lecture13.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Gravity 3: Isostasy and the Geoid October 18, 2006 Overview Regions of high elevation are associated with excess mass which needs to be compensated for hydrostatic equilibrium of pressure. The principle of isostasy provides us with a model of the me...
lecture14.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Review 10/23/2006 Topics covered Heat transfer Fouriers law, time dependent heat conduction Steady state conductive geotherm with spatially varying internal heat production Half space cooling model Mantle adiabat Fluid mechanics Conservation ...
lecture17.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Rock and mineral physics 3: creep of crystals 11/08/2006 Overview At the elevated temperature and pressure of the Earths deep interior, mineral crystals ow in a uid-like manner. The time dependent deformation of crystals is known as creep. Defects i...
lecture18.pdf
Path: Maryland >> GEOL >> 446 Fall, 2008
Description: Rock and mineral physics 4: Regimes of creep 11/13/2006 Contents In todays lecture, we will continue our discussions on the following four diereent creep regimes in materials: Anelastic creep Low temperature creep associated with dislocation glide...
