The AMES test also known as bacteria reversed mutation assay is used to evaluate the mutagenic properties of test articles. The test was first developed by Bruce Ames in 1974 (Krebsfaenger). The amino acid dependent strain of S. typhimurium and E. coli are used in this experiment where in the absence of the external histidine source‚ the cells cannot grow to form colonies. Specifically these strains of Salmonella are defective in 1.) Repair of mutations (uvrB) and 2.) A rfa mutation (eliminating
Premium DNA Cancer Bacteria
Food Tests Aim: To test an unknown substance for various food substances. Apparatus/Materials: * Unknown Solution X * NaOH * Iodine * Ethanol * Copper Sulphate * Benedict’s Solution * HCl * Cold Water * Syringe * Beakers * Bunsen burner * Tripod stand * Test tubes * Dropper Introduction: This Lab shows the detection of different food sources using different tests. Some of the food tests carried out was Benedict’s test‚ the test
Premium Starch Glucose Protein
Structural Analysis I - Laboratory Report Laboratory Venue : HKIVE (Tsing Yi)‚ Room CL02 Date & Time : 15 October 2001‚ 19:00 to 20:15 Experiment No. 1 : Column Buckling Test Objective: 1. To study the effect of support conditions on the load‚ carrying capacity of a slender column. 2. To compare the experimental buckling loads Pcr of test specimens with those predicted by the Euler equation. Apparatus: 1. SM 105 strut apparatus (Issuing Voucher: 0203141 & Inventory Ledger: CN/s/01/10)‚ 2. Aluminum
Premium Buckling Column
PAPER F8 (INT): AUDIT AND ASSURANCE ANSWERS 1 BLAKE CO Key answer tips Walk in the footsteps of a top tutor The question requires an understanding of the purpose of control systems‚ namely payroll in this scenario. The student is also required to identify weaknesses relevant to the scenario and suggest improvements. This should not present any real challenge to a well prepared student as it is typical of the F8 exam. NOTE: there are 2 presentation marks for adopting a management letter
Premium Auditing Audit Internal control
Genetics Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Pea plants were particularly well suited for use in Mendel’s breeding experiments for all of the following reasons except that a.|peas show easily observed variations in a number of characters‚ such as pea shape and flower color.| b.|it is possible to control matings between different pea plants.| c.|it is possible to obtain large numbers of progeny from any given
Premium Allele Gene Chromosome
1. The IPIP test is a kind of test of one’s personality from openness to experience‚ conscientiousness‚ extraversion‚ agreeableness and neuroticism these five aspects. It included 120 multiple choices‚ and for each of them had 5 choices of ”strongly agree”‚ “moderately agree”‚ “neither agree or disagree”‚ ”strongly disagree” and “moderately disagree”. Each of these 120 multiple choices described a situation that might happen in my life and asked for my attitude towards the situation‚ or let me make
Premium Big Five personality traits Trait theory Emotion
Currency Conversion Pseudocode Main Module { Declare ExchangeRate as real; Declare VariableCurrency as String; Declare UnitedStatesValue as real; Declare AmountVariable as real; Call Input DataModule; EndMainModule; InputDataModule; Write "Welcome to International Currency Conversion"; Write "Please choose Currency Type" Write "International Currency Types:" Display "1. Japanese Yen."; Display "2. French Francs."; Display "3. Mexican Peso."; Display "4. Quit." Write "Enter Amount
Premium United States dollar Currency
PHYS 1401 College Physics I Test 2 Page 1 of 6 Houston Community College System PHYS 1401 Test # 2 PHYS 1401 College Physics I Test 2 Page 2 of 6 Name ______________________________________________________ Date ____________ PHYSICS 1401. Test 1 Chapters 3‚ 4 and 5 _____________________________________________________________________________ INSTRUCTIONS: Answer all questions from Section I (2 points per question). And Solve at least four problems from Section II (20 points
Free Force Classical mechanics Friction
THINGS TO STUDY FOR THE TEST ON 1/11/13 Jobs in the equine industry can include stable management & stall cleaning‚ sales & marketing‚ and breeding & training. A horse that understands he has learned something new will usually lick and chew. The purpose of longing while training is to allow the horse to get bursts of energy out before riding‚ to teach verbal commands to the horse before teaching to ride‚ and to develop the horses respect for the handler. The earliest age of starting a young
Free Digestion Digestive system Horse
I performed the light skinned versus dark skinned test on IAT. The results from my test showed that I favor dark skinned versus light skinned people. I do think the test produced valid results. I have a sister that is a darker skinned African American. I watched people treat her different than myself growing up. I have always made a conscious effect to make sure I block those negative prejudices. I think it is possible to point out prejudice but not to accurately measure them. I feel there is no
Premium Sociology Psychology Personality psychology