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1)Is the form of the plasmid DNA important for the transformation ?how could you tell?
2)What effect does it have on cells that contain pGFP? Does the concentration of arabinose have any effect on these phenotypes?
A 0.1500 g sample of pure ZnCl2xnH20 was placed on an ion-exchange column in the H+ form. The H+ released in the eluate required 16.98 mL of 0.1024 M NaOH to reach a phenolphtalein end point. Calculate the percent zinc in the sample.
How many grams of potassium permanganate are needed to decolorize 1g of 2-pentane in basic solution?
a)the anode b)the cathode c)the half reaction at the anode d)the half reaction at the cathode e)the overall reaction f)the shorthand cell notation
What is the frequency of radiation that has a wavelength of 12 um , about the size of a bacterium. What is the wavelength of radiation that has a frequency of 5.70×1014 s-1
The energy content of 1-liter of whole milk is 680 Cal. Using that data, determine how high can you climb (in meters) on a liter of whole milk.
what is the molarity of a 1025 ml ethanolsugar solution that has a freezing point of -120.87 deg c. freezing point of
Suppose you are given 150 mg of an unknown mixture that contains three compounds, and you are told to separate the compounds using column chromatography, using alumina as a stationary phase. How would you decide what solvent or solvent system to u..
At 800 k, Kc for the following equalibrium is 4.2 x 10 ^-3. 2HgO(s) 2Hg(l) + O2(g), suppose 96.5 g of mercury(ll) oxide is placed in a sealed 3.50 vessel at 800 k. What is the partial pressure of oxygen gas at equalibrium
What is the half-life of a second-order reaction in which 45.0% of the original concentration of 1.00 M remains after 325 seconds?
Perform each of the following calculations, and express the answer with correct number of significant figures only the bolded values are exact:
Compute the pH of 1.00L of a buffer that is 0.110M HNO2 and 0.190M NaNO2. Define what is the pH of the same buffer after the addition of 1.00ml of 12.0M HCl. (pka of HNO2=3.40)
The midpoints of the three pH jumps occurred at 15.35 mL, 19,77 mL, and 22.05 mL of added base. What was the concentration, in mol/L and mg/L, of Cu^2+ and Zn^2+ in the original solution
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