Relation between Reaction Velocity and Substrate Concentration: Michaelis-Menten Equation. a)At what substrate concentration would an enzyme with a kcatof 30.0 s-1and a Kmof 0.0050 M operate at one-quarter of its maximum rate? b)Determine the fraction of Vmax that would be obtained at the following substrate concentrations [S]:1/2Km,2Km,and10Km. c)An enzyme that catalyzes

Relation between Reaction Velocity and Substrate Concentration: Michaelis-Menten Equation. a)At what substrate concentration would an enzyme with a kcatof 30.0 s-1and a Kmof 0.0050 M operate at one-quarter of its maximum rate? b)Determine the fraction of Vmax that would be obtained at the following substrate concentrations [S]:1/2Km,2Km,and10Km. c)An enzyme that catalyzes

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter3: Measurement And Chemical Calculations

Section: Chapter Questions

Problem 128E: In Active Example 3-29 you calculated that you would have to work six weeks to earn enough money to...

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In Active Example 3-29 you calculated that you would have to work six weeks to earn enough money to buy a 1082.49 television. You would be working five shifts of four hours each at 9.25/hr. But, alas, when you received your first pay check, you found that exactly 23 of your earnings had been withheld for social security, federal and state income taxes, and workers compensation insurance. Taking these into account, how many weeks will it take to earn the 1082.49?
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The pharmacist attempts to weigh 80mg of sodium carbonate on a balance having a sensitivity requirement of 4mg. Calculate the maximum potential error in terms of percentage.
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Answer is provided. All I need is the solution. Thank you! A patient cuts 100-mg scored tablets to take his 50-mg prescribed daily dose. A prescription for thirty 100-mg tablets costs $45, and a prescription for thirty 50-mg tablets costs $40. The patient asked the pharmacist to weigh an uncut tablet on an electronic balance into two “halves.” The uncut tablet was found to weigh 240 mg, and the cut “halves” weighed 125 mg and 115 mg, respectively. (a) How much money did the patient save on a monthly basis by dosing with half-tablets? (b) What was the percentage error in the weight of the cut tablets compared with “exact halves”? Answer: (a) $17.50 (b) 4.2%
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=) An object weighs 75.7 kg. What is the weight of this object expressed in pounds? [1 pound = 454 grams] (Show your work!) me toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
The Bay of Fundy in Nova Scotia, Canada is reported to have the largest tides in the world with high tide and low tide occurring two times per day. The tides can measure ft in height. At the Hopewell Rocks at Hopewell Cape, over approximately 50.0 on a specific day height increase was recorded as a rate of 6.08 feet per hour. What is the rate in meters per second ? ARTING AMOUNT ADD FACTOR DELETE ANSWER RESET *( ) %3D 60 5.15 x 104 1 0.332 7 50.0 111 1.20 x 103 0.3048 12 6.08 0.0309 ft ft/h h min day m/s S
Rapidly cool to 625°C (1155°F), hold at this temperature for 10 s, rapidly cool to 400°C (750°F), hold at this temperature for 5 s, then quench to room temperature. martensite % proeutectoid ferrite bainite fine pearlite austenite i eTextbook and Media