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- Title: Homework03key
- Type: Notes
- School: UC Davis
- Course: BIS 101
- Term: Fall
Coursehero >> California >> UC Davis >> BIS 101
Path: UC Davis >> BIS >> 101 Fall, 2008
Path: UC Davis >> BIS >> 101 Fall, 2008
Path: UC Davis >> BIS >> 101 Fall, 2008
Path: Cornell >> AEM >> 3200 Fall, 2006
Path: Cornell >> AEM >> 3200 Fall, 2006
Path: Cornell >> AEM >> 3200 Fall, 2006
Path: Cornell >> AEM >> 3200 Fall, 2006
Path: Cornell >> AEM >> 3200 Fall, 2006
Path: Cornell >> AEM >> 3200 Fall, 2007
Path: Cornell >> AEM >> 3200 Fall, 2007
Path: Cornell >> AEM >> 3200 Fall, 2007
Path: Cornell >> PAM >> 2100 Fall, 2008
Path: Cornell >> PAM >> 2100 Fall, 2008
Path: Cornell >> PAM >> 2100 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: Cornell >> ECONOMICS >> 361 Fall, 2008
Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> CIM >> ACCT501 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> CIM >> ACCT501 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> CIM >> ACCT501 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> CIM >> ACCT501 Spring, 2008
Path: King Fahd University of Petroleum & Minerals >> CIM >> ACCT501 Spring, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> MS&E >> 261 Fall, 2008
Path: Cornell >> A&EP >> 252 Fall, 2008
Path: Cornell >> A&EP >> 252 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
Path: Cornell >> PHYS >> 2214 Fall, 2008
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1. BIS101-003/Engebrecht In a testcross of a female Drosophila heterozygous for three linked recessive genes, the following phenotypes of progeny were obtained: a+ b+ d a b d+ a+ b d+ a b+ d a+ b d a b+ d+ a+ b+ d+ a b d Total 442 435 12 11 52 46 1 1 1000 Construct a map of the genes and calculate interference. 1) Determine parentals: a+b+d and a b d+ 2) Determine double co classes: a+b+d+ and a b d; therefore, d must be in the middle 3) Calculate distance between a d: 12 + 11 + 1 + 1/1000 = 2.5 cM 4) Calculate distance between d b: 52 + 46 + 1 + 1/1000 = 10 cM a 2.5cM d 10cM b 5) Interference (I) = 1 coefficient of coincidence (observed d co/expected d co). Expected d co = .025 x .1 = .0025. Observed d co = .002 (2/1000). I = 1.002/.0025 (= 0.8) therefore I = 0.2 2. Three genes of corn, R, D, and Y, lie on chromosome 9. The map of the three genes is: R 10 D 20 Y a) In a testcross of a trihybrid plant RDY x rdy rdy rdy, how many RdY rdy plants would be expected in a progeny of 1000 if there was no interference? This is the double crossover class; therefore, if no interference it would be the product rule: .10 x .20 = .02 or 2% of the 1000 progeny would be of the double crossover classes: RdY and rDy, so 1% or 10 would be of the type RdY. b) If interference was 0.3, how would this change your answer? Because there is interference you need to multiply your expected progeny by the coefficient coincidence of so .02 x .7 = .014 or 1.4% so now only 7 would be of type RdY. 3. A conjugation experiment is performed in Escherichia coli using the parents Hfr arg+ lys+ met+ his+ strS and F - arg- lys- met- his- strR. The mating was interrupted at several times and plated on several different media with the following results. The table below shows the number of colonies obtained on different media as indicated. Time (min.) Minimal medium plus streptomycin plus Histidine Arginine Arginine Lysine Histidine Histidine Methionine Methionine Lysine 0 0 0 0 0 0 20 0 15 170 60 200 600 350 550 0 10 20 30 40 Arginine Lysine Methionine 0 50 400 1000 1000 a) What is the order of the four auxotrophic genes with respect to the starting point of transfer (0)? 0 his arg/met - lys b) Conjugation is allowed to proceed for 60 min and lys+ strR cells are selected. A total of 1000 lys+ cells are tested further and the following genotypes are obtained: his+ arg+ his+ met+ arg+ met+ 600 500 900 his+ arghis+ metarg+ met400 500 100 = = = 1,000 1,000 1,000 Calculate the map distances between met, arg, and his and define the exact order. Does this result resolve any uncertainties in your answer to part a, explain why? his - 40 - arg - 10 met his - arg 400/1000 = 0.4 his - met 500/1000 = 0.5 arg - met 100/1000 = 0.1 This recombination mapping removes the uncertainty of the position of arg and met.
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Homework04
Path: UC Davis >> BIS >> 101 Fall, 2008
Description: BIS101-003/Engebrecht Suggested problems and homework for week #4 Problems suggested for the whole class these are not to be turned in, but are for practice/study aid. The following problems are suggested for viral transduction: Chapter 5 in both 8t...
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Description: 1. You are trying to determine the position on the E. coli chromosome of a new mutation that you isolated, called slo- (slow growing). You do generalized P1 transduction experiments using donor and recipient strains as shown below. You observe the fo...
Homework05Path: UC Davis >> BIS >> 101 Fall, 2008
Description: BIS101/Engebrecht Homework05 Recommended Chapter problems: Chapter 7: 21, 23 in both 8th and 9th edition (no corresponding problem in 7th edition) Chapter 6: 50 in both 8th and 9th edition (Chapter 9, 14 in 7th edition) 1. What would be the consequen...
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Description: BIS101/Engebrecht Homework05 1. What would be the consequence at the restrictive temperature of a temperature sensitive mutant in polI that completely inactivates the protein? Please draw what a fork would look like in the mutant. Be sure to label yo...
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Lecture_1_postPath: Cornell >> ECONOMICS >> 361 Fall, 2008
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Lecture_5_postPath: Cornell >> ECONOMICS >> 361 Fall, 2008
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Lecture_6_postPath: Cornell >> ECONOMICS >> 361 Fall, 2008
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Lecture_7_postPath: Cornell >> ECONOMICS >> 361 Fall, 2008
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Lecture_10_postPath: Cornell >> ECONOMICS >> 361 Fall, 2008
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Syllabus_International_Economics_82508Path: Cornell >> ECONOMICS >> 361 Fall, 2008
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CCNA LAB-1Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
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CCNA LAB-2Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
Description: Cisco Certified Network Associate 640802 Page 1 of 2 Day 2 Basic router configuration, setting time, banner, password, secret 1. Setting time Router>enable Router#clock set 8:00:00 21 november 2006 2. Setting banner MOTD Router>enable Router#config...
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CCNA LAB-4Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
Description: Cisco Certified Network Associate 640801 Page 1 of 3 Day 4 Static Routing Note: Configure the DCE Router Serial 0 Interface with IP Address 10.1.1.1 255.0.0.0 1. Configure Router 1: Serial 0/0 IP: Fast Ethernet 0/0 IP: 2. Configure Router 2: Serial...
CCNA LAB-5Path: King Fahd University of Petroleum & Minerals >> COE >> COE 344 Spring, 2008
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ch.04_solutionPath: King Fahd University of Petroleum & Minerals >> CIM >> ACCT501 Spring, 2008
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Chapter_5_solutionPath: King Fahd University of Petroleum & Minerals >> CIM >> ACCT501 Spring, 2008
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MSE_2610_HW_1Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #1 DUE: 11 September 2008 1.) Given the graph below provide the following information: Stress () Strain () a.) b.) c.) d.) e.) Which material is the stiff...
MSE_2610_HW_2Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #2 DUE: 18 September 2008 1.) Sketch the planes and directions listed below. Be sure to label your axes. a.) Planes in a cubic crystal: (011), (111), (212) ...
MSE_2610_HW_2_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Solutions #2 DUE: 18 September 2008 1.) Sketch the planes and directions listed below. Be sure to label your axes. a.) Planes in a cubic crystal: (011), (111), (212) b...
MSE_2610_HW_3Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #3 Due: 26 September 2008 1.) The modulus of a lightly cross-linked elastomer is plotted against temperature. A Modulus (MPa) B C D Temperature (K) For e...
MSE_2610_HW_3_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #3 Due: 26 September 2008 1.) The modulus of a lightly cross-linked elastomer is plotted against temperature. A Modulus (MPa) B C D Temperature (K) For ea...
MSE_2610_HW_4Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #4 Due: 02 October 2008 1.) A true stress vs. true strain curve modeled as the function 0 < < 0.002 (80 GPa) = 0.3 0.002 < (3.58 GPa) The original cross-...
MSE_2610_HW_4_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework #4 Solutions Due: 02 October 2008 1.) A true stress vs. true strain curve modeled as the function 0 < < 0.002 (80 GPa) = 0.3 0.002 < (3.58 GPa) The original unloade...
MSE_2610_HW_5Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #5 1.) Hexagonal close-packed (HCP) zinc slips only by basal plane slip. A zinc single crystal is oriented so that the normal to its slip plane makes an an...
MSE_2610_HW_5_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #5 1.) A single crystal has only one slip plane with a normal vector that makes an angle of 60 with the tensile axis. The three slip directions have angles ...
MSE_2610_HW_6Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #6 Due: 30 October 2008 1.) Describe two diffusion mechanisms; include a simple schematic to illustrate both diffusion mechanisms. Answer the following abou...
MSE_2610_HW_6_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #6 Due: 30 October 2008 1.) Describe two diffusion mechanisms; include a simple schematic to illustrate both diffusion mechanisms. Answer the following abou...
MSE_2610_HW_7Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #7 Due: 6 November 2008 1.) Identify the following microstructures: For each, briefly describe: What phase or phases are present? What are the crystal struc...
MSE_2610_HW_7_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Solutions #7 Due: 6 November 2008 1.) Identify the following microstructures: For each, briefly describe: What phase or phases are present? What are the crystal struct...
MSE_2610_HW_8Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #8 Due: 13 November 2008 1.) Answer the following about recrystallization: a. What is the driving force for recrystallization? b. What atomistic mechanism i...
MSE_2610_HW_8_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #8 Due: 13 November 2008 1.) Answer the following about recrystallization: a. What is the driving force for recrystallization? The driving force for recryst...
MSE_2610_HW_9Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Assignment #9 1.) Cracks were observed in 25% of the steel Liberty ships during World War II. Some even fractured in half on cold nights while docked in calm waters. T...
MSE_2610_HW_9_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Solutions #9 1.) Cracks were observed in 25% of the steel Liberty ships during World War II. Some even fractured in half on cold nights while docked in calm waters. Th...
MSE_2610_HW__1_solutions_Path: Cornell >> MS&E >> 261 Fall, 2008
Description: MSE 2610 Introduction to the Mechanical Properties of Materials Fall 2008 Homework Solutions #1 1.) Given the graph below provide the following information: Stress () Strain () a.) Which material is the stiffest? Explain - Material C is the stiffes...
2610_P1_soln_sPath: Cornell >> MS&E >> 261 Fall, 2008
Description: ...
MSE_2610_Exam_2_solutionsPath: Cornell >> MS&E >> 261 Fall, 2008
Description: ...
Practice_FinalPath: Cornell >> MS&E >> 261 Fall, 2008
Description: ...
Practice_Problems_2610_Prelim_1Path: Cornell >> MS&E >> 261 Fall, 2008
Description: ...
Practice_Problems_Prelim_2Path: Cornell >> MS&E >> 261 Fall, 2008
Description: ...
practice_finalPath: Cornell >> A&EP >> 252 Fall, 2008
Description: Here are some problems from an old final exam for you to practice with. The material is covered quite differently year to year, so some of these problems may not be applicable (especially the qualitative ones listed below). They are provided for your...
prelim1_2007Path: Cornell >> A&EP >> 252 Fall, 2008
Description: A&EP 252-The Physics of Life Prof. Pollack Prelim I Fall 2007 October 16, 2007 Instructions: 1. Write legibly. If I cannot read your answer, you will not receive partial credit. 2. Work your solution in the space provided. If you need extra space, u...
2214F08Pre2v6solutionsPath: Cornell >> PHYS >> 2214 Fall, 2008
Description: Physics 2214, PRELIM II, November 6, 2008 Brief solutions 1. [6 points] Recall the lecture demo where Dr. Giambattista whirled a tone generator fixed to a rod, around his head. Here\'s a diagram of that demo, viewed from above. You are sitting far awa...
final_exam_solutionsPath: Cornell >> PHYS >> 2214 Fall, 2008
Description: ...
p2214_p1_solutions_10_07_08Path: Cornell >> PHYS >> 2214 Fall, 2008
Description: ...
2006_finalm3Path: Cornell >> PHYS >> 2214 Fall, 2008
Description: Physics 214 Final Exam (May 16 from 2:00-4:30 ) Name: _ Signature: _ Section # and TA: _ Total number of pages: 12 Score: I II III IV Result This examination is closed books and closed notes. NO calculators are permitted. A formulae sheet is pr...
2006_Final_Exam_solutionPath: Cornell >> PHYS >> 2214 Fall, 2008
Description: ...
HWsol01Path: Cornell >> PHYS >> 2214 Fall, 2008
Description: Physics 2214 Fall 2008 Solutions to Problem Set #1 1. For the object to undergo SHM when displaced by a small amount from a certain position x, the graph of F(x) vs. x must pass through zero at that point, with a negative slope. Points B and G sati...
HWsol04Path: Cornell >> PHYS >> 2214 Fall, 2008
Description: ...
HWsol05Path: Cornell >> PHYS >> 2214 Fall, 2008
Description: Physics 2214 Fall 2008 - Solutions to Problem Set #5 1. Use the chain rule to show that the wave equation, 2 y (x, t) 2 y (x, t) = v2 t2 x2 can be rewritten as 2 y (u+ , u- ) =0 u+ u- (1) (2) where u+ x + vt and u- x - vt. Solution First, the...
HWsol06Path: Cornell >> PHYS >> 2214 Fall, 2008
Description: Physics 2214 Fall 2008 1. Beats (a) To put the given expression s(x,t) = A exp i(k1x + 1t) + A exp i(k2x + 2t) into the desired form, we use the following substitutions: Solutions to Problem Set #6 k - - k - - k1 = k + 2 ; 1 = + 2 ; k2 = k - 2 ;...
HWsol09Path: Cornell >> PHYS >> 2214 Fall, 2008
Description: Phys 2214 Fall 2008 - Solutions to Problem Set #9 1. (YF 36.6) a) Relating speed, frequency, and wavelength of a wave: Plugging in, v = f = v f = 800 km 1.0h = 800km h b) The location of minima from a single slit Fraunhofer diraction pattern (...