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1) You have a stock of 100 mg/mL ampicillin in sterile water. You want to make a
1) You have a stock of 100 mg/mL ampicillin in sterile water. You want to make a 25 mg/mL stock in sterile water. What is your dilution factor? 2) You take 2 mL of spoiled chicken…
1) You have a summer job in the University ecology lab. Your supervisor asks you
1) You have a summer job in the University ecology lab. Your supervisor asks you to duplicate an electromagnet that she has borrowed. She tells you that this electromagnet is made…
1) You have a summer job in the University ecology lab. Your supervisor asks you
1) You have a summer job in the University ecology lab. Your supervisor asks you to duplicate an electromagnet that she has borrowed. She tells you that this electromagnet is made…
1) You have a summer job in the University ecology lab. Your supervisor asks you
1) You have a summer job in the University ecology lab. Your supervisor asks you to duplicate an electromagnet that she has borrowed. She tells you that this electromagnet is made…
1) You have a two component mixture (A and B) containing 50% molar of each compo
1) You have a two component mixture (A and B) containing 50% molar of each component. This mixture has an azeotrope distillate composition 95% A and 5% B. Describe what you would …
1) You have an electric heater that works on the 120v voltage difference (which
1) You have an electric heater that works on the 120v voltage difference (which is the rms value). An ammeter was used to measure the current that passes through the heater and it…
1) You have available three materials, which are either a weak acid or weak base
1) You have available three materials, which are either a weak acid or weak base. The pKa values for the three materials are 3.64, 5.77, and 10.14. You have bee…
1) You have been asked to determine the relative error of the regression. The Su
1) You have been asked to determine the relative error of the regression. The Sum of Standard Error of the Estimate (SEE) is .050 fit space and the average cost is 3.65, what is t…
1) You have been asked to develop a walk-way made of glass across a deep canyon
1) You have been asked to develop a walk-way made of glass across a deep canyon as a tourist attraction (think rip-off of the Havasupai Indians walk-way at the Grand Canyon). A su…
1) You have been asked to develop a walk-way made of glass across a deep canyon
1) You have been asked to develop a walk-way made of glass across a deep canyon as a tourist attraction (think rip-off of the Havasupai Indians walk-way at the Grand Canyon). A su…
1) You have been asked to develop a walk-way made of glass across a deep canyon
1) You have been asked to develop a walk-way made of glass across a deep canyon as a tourist attraction (think rip-off of the Havasupai Indians walk-way at the Grand Canyon). A su…
1) You have been assigned to create a video on the importance of project plannin
1) You have been assigned to create a video on the importance of project planning. Based on what you have learned, you decide to employ good project planning practices. Which of t…
1) You have been drip irrigating your soil for too many years. Now the soil is t
1) You have been drip irrigating your soil for too many years. Now the soil is too saline and you want to treat this by adding gypsum (CaSO4. 2H2O). Assume you have a 1 hectare fi…
1) You have been hired by Drs. Dewey, Cheetham and Howe to help with NPV analysi
1) You have been hired by Drs. Dewey, Cheetham and Howe to help with NPV analysis for a replacement project. These three New Haven radiologists need to replace their existing…
1) You have been hired by Xenia Economic Advisors Inc. (XEA) to evaluate the Ele
1) You have been hired by Xenia Economic Advisors Inc. (XEA) to evaluate the Electricity Monopoly in Sussieville. Sussieville is a town of 400,000 residents in the secluded region…
1) You have been hired to consult for a successful restaurant entrepreneur in th
1) You have been hired to consult for a successful restaurant entrepreneur in the area. He already owns several restaurants in Ghent including an upscale bar with tapis (small pla…
1) You have been told that 10% of your workforce has two or more jobs. You would
1) You have been told that 10% of your workforce has two or more jobs. You would like to verify this and decide to take a random sample of 50 employees. In your sample, you find o…
1) You have collected quarterly data for real GDP ( over time and have estimated
1) You have collected quarterly data for real GDP ( over time and have estimated the following model: 7.866 + 0.00679·Z, (0.007) (0.00008) In y, = 20.98, SER-0.036 Standard errors…
1) You have computed a stress value for a large building in VBA and want to disp
1) You have computed a stress value for a large building in VBA and want to display it on the worksheet "sheet 10" in cell "B10" with the number of 18390.7 and units of "in-lbs pe…
1) You have decided that for Easter you want to dress up as a Bunny. You estimat
1) You have decided that for Easter you want to dress up as a Bunny. You estimated that is would cost $45 to purchase all the piecesof the costume. After spending $20 on the cos…
1) You have decided to put a $100 a week into a savings account that offers 2.6%
1) You have decided to put a $100 a week into a savings account that offers 2.6% compounded weekly. How much would you have in your account after 6 years? Answer: ________________…
1) You have decided to put a $100 a week into a savings account that offers 2.6%
1) You have decided to put a $100 a week into a savings account that offers 2.6% compounded weekly. How much would you have in your account after 6 years? Answer: ________________…
1) You have decided to put a $100 a week into a savings account that offers 2.6%
1) You have decided to put a $100 a week into a savings account that offers 2.6% compounded weekly. How much would you have in your account after 6 years? Answer: ________________…
1) You have extracted your targeted plasmid from Milariuza. equilirus in your ho
1) You have extracted your targeted plasmid from Milariuza. equilirus in your home. Because you do not have an expensive nanodrop machine, you decided to run a gel to determine th…
1) You have found a population of wild rabbits with a uniform grey coat color. Y
1) You have found a population of wild rabbits with a uniform grey coat color. You suspect that the grey allele is recessive to normal coat color and dominant to chinchilla. Predi…
1) You have found three investment choices for a one-year deposit: 10% APR compo
1) You have found three investment choices for a one-year deposit: 10% APR compounded monthly, 11% APR compounded annually, and 9% APR compounded daily. Comput the EAR for each in…
1) You have identified a channel that is involved in pumping of Fe2+ ions into t
1) You have identified a channel that is involved in pumping of Fe2+ ions into the liver cell. The channel appears to be regulated by a gating mechanism. You wish to verify that c…
1) You have integrated the wildtype yeast URA1 gene into random chromosomal loca
1) You have integrated the wildtype yeast URA1 gene into random chromosomal locations of Mat alpha budding yeast cells that cannot grow on media lacking Uracil. Below are the grow…
1) You have integrated the wildtype yeast URA1 gene into random chromosomal loca
1) You have integrated the wildtype yeast URA1 gene into random chromosomal locations of Mat alpha budding yeast cells that cannot grow on media lacking Uracil. Below are the grow…
1) You have isolated ten new mutants that have eye defects; assume that each mut
1) You have isolated ten new mutants that have eye defects; assume that each mutant only has one mutation and all mutations are recessive. To place them into complementation group…
1) You have isolated ten new mutants that have eye defects; assume that each mut
1) You have isolated ten new mutants that have eye defects; assume that each mutant only has one mutation and all mutations are recessive. To place them into comple make mate each…
1) You have isolated two proteins that you suspect are new actin capping factors
1) You have isolated two proteins that you suspect are new actin capping factors that may cap either the lus or minus ends of the filaments. To determine if this is the case and w…
1) You have just been hired at a new start-up that has developed an intravenous
1) You have just been hired at a new start-up that has developed an intravenous (IV) injectable small molecule drug (OP145) to treat osteoporosis. During pre-clinical trials, it w…
1) You have two charged pieces of Scotch Magic tape. How would you determine if
1) You have two charged pieces of Scotch Magic tape. How would you determine if they like or unlike charges? What would you need to determine if they are charge positively or nega…
1) You have two unknown, unlabeled clear solutions. One is DNA and the other is
1) You have two unknown, unlabeled clear solutions. One is DNA and the other is protein. How do you determine which solution is DNA, which one is protein 2)In an SDS gel larger pr…
1) You have used primary antibodies raised in mouse (for GAPDH, 35.8 kda) and in
1) You have used primary antibodies raised in mouse (for GAPDH, 35.8 kda) and in rabbit (for Cyt P450 reductase, 77 kDa) followed by a treatment with 2 types secondary antibodies …
1) You innoculate the following bacteria in thioglycolate medium and allow them
1) You innoculate the following bacteria in thioglycolate medium and allow them to grow overnight at 37 degrees in the incubator. Next day you observe their growth patterns. Indic…
1) You innoculate the following bacteria in thioglycolate medium and allow them
1) You innoculate the following bacteria in thioglycolate medium and allow them to grow overnight at 37 degrees in the incubator. Next day you observe their growth patterns. Indic…
1) You invest $20,000 today, at a rate of 10% compound quarterly. What will the
1) You invest $20,000 today, at a rate of 10% compound quarterly. What will the investment be worth at the end of year twenty? 2) You are offered an annuity that will pay yo…
1) You invest $20,000 today, at a rate of 10% compound quarterly. What will the
1) You invest $20,000 today, at a rate of 10% compound quarterly. What will the investment be worth at the end of year twenty? 2) You are offered an annuity that will pay yo…
1) You just signed a business consulting contract with one of your clients. The
1) You just signed a business consulting contract with one of your clients. The client will pay you a series of five annual constant-dollar payments beginning with $60,000 at the …
1) You know that y\'[x] = a y[x] for all x \'s but DO NOT know the value of a .
1) You know that y'[x] = a y[x] for all x 's but DO NOT know the value of a . How many data points of the form {x, y[x]} do you need to determine a formula for y[x] ? 2) You know …
1) You look through a camera toward an image of a hummingbird in a plane mirror.
1) You look through a camera toward an image of a hummingbird in a plane mirror. The camera is 4.89 m in front of the mirror. The bird is at camera level, 5.95 m to your right and…
1) You may have observed that the add(E e) and remove(int index) methods are mar
1) You may have observed that the add(E e) and remove(int index) methods are marked as optional operations. Briefly discuss the benefits vs. pitfalls of this design decision. 2) C…
1) You measure a velocity of some particles many thousands of times, and find th
1) You measure a velocity of some particles many thousands of times, and find that the average is 90.7 m/s, and that the standard deviation on an individual measurement is 2 m/s. …
1) You need an acid that will spontaneously oxidize Sn, but NOT spontaneously ox
1) You need an acid that will spontaneously oxidize Sn, but NOT spontaneously oxidize Ag. How many of the following acids meet these criteria?: Hydrochloride acid, iodic acid, nit…
1) You need to mix 35L of artificial seawater. You\'re handed a bag of crystalli
1) You need to mix 35L of artificial seawater. You're handed a bag of crystallized salt mix and you're told seawater typically has a salt concentration of 35 mg/L. How much salt m…
1) You need to prepare 1.000L of 0.50 M phosphate buffer, pH 6.21. Use the Hende
1) You need to prepare 1.000L of 0.50 M phosphate buffer, pH 6.21. Use the Henderson-Hasselbalch equation with a value of 6.64 for pK2, to calculate the quantities of K2PO4 and KH…
1) You need to prepare 30mls of Master Mix Cocktail composed of: 0.15M CAP buffe
1) You need to prepare 30mls of Master Mix Cocktail composed of: 0.15M CAP buffer 6mM NAD 0.15M sodium lactate In the cabinet, you have the following ingredients: a) a stock solut…
1) You need to prepare an acetate buffer of pH 5.85 from a 0.756 M acetic acid s
1) You need to prepare an acetate buffer of pH 5.85 from a 0.756 M acetic acid solution and a 2.18 M KOH solution. If you have 975 mL of the acetic acid solution, how many millili…