n a pUC19 digest for 1 ug of pUC19 (DNA conc. 282ng/ul) using 10X Cutsmart buffer, pure water and BamHI enzyme in a total volume of 40 ul, how much of each solution is added to the total volume?
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In a pUC19 digest for 1 ug of pUC19 (DNA conc. 282ng/ul) using 10X Cutsmart buffer, pure water and BamHI enzyme in a total volume of 40 ul, how much of each solution is added to the total volume?
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- A mixture of proteins having molecular weights of 50 to 200 kDa can be fractionated linearly using a GFC column with an exclusion limit of at least _____.a. 25 kDab. 50 kDac. 125 kDad. 200 kDapls explain whyIf the absorbance at540nm of a biuret and protein solution containing 0.25mg/ml of protein .24 the absorbance of a biuret and protein and dna solution containing.25mg/ml of protein and 0.5mg/ml dna should be note the total volume is the same in both solutions 0.24 0.72 0.48 not enough inforTwo proteins of different molecular weight (mw) are mixed and need to be separated. When eluted through a Sephadex-G50 chromatography column, what is the order of elution (first followed by second)? A. protein with mw of 40 kDa; protein with mw of 20 kDa B. both proteins will elute at the same time C. both proteins will not elute as the combined mw is larger than 50 kDa D. protein with mw of 20 kDa; protein with mw of 40 kD
- Given a tripeptide Cys-His-Lys, Cys: Pk1 = 1.71; Pk2 = 10.78; PkR = 8.33 His: Pk1 = 1.82; Pk2 = 9.17; PkR = 6.0 Lys: Pk1 = 2.18; Pk2 = 8.95; PkR = 10.53 draw the protonic equilibria for the tripeptide what is the IpH? What is the dominant structure at pH 2.0? What is the first buffering region of the tripeptide?For the following sequence, what is the approximate annealing temperature? 5'-AGCTACGATCAGGTCA-3'Given a tripeptide Cys-His-Lys, Cys: Pk1 = 1.71; Pk2 = 10.78; PkR = 8.33 His: Pk1 = 1.82; Pk2 = 9.17; PkR = 6.0 Lys: Pk1 = 2.18; Pk2 = 8.95; PkR = 10.53 draw the protonic equilibria for the tripeptide what is the IpH?
- You want to treat 10 mL of HL-60 cells with cycloheximide in order to determine the half-life of a newly discovered protein. In order to do this, the final concentration of cycloheximide needs to be 90 µM. How much of a 150 mM stock solution of cycloheximide should you add to your cells?Electrophoresis is performed at PH 6.8 on a mixture of mutated hemoglobin that differ from normal haemoglobin (Hb) only by the substitution of one amino acid- Hb X: Val replaced par Glu - Hb Y: Asp replaced by Leu - Hb Z: Glu replaced by Lys What will be the order of migration between cathode and anode of these mutated Hb compared to normal Hb? Justify your answer.If 1ml of an unknown sample of protein is diluted to 10ml, and a 0.5ml portion of the diluted sample is found to contain 50ug of protein when assayed for protein using the lowry method. If you mix two unknown samples and repeat the lowry assay, is the absorbance equivalent to the sum of the two individual unknown samples that is used?
- . You need to prepare 500 μL of a 250 µg/mL bovine gamma globulin solution, for one of your protein standards in the Bradford assay. The available bovine gamma globulin in the lab is in the form of a 2 mg/mL stock solution, and it can be diluted with deionized water. Describe or show below how you would create your desired 250 µg/mL solution.an protein has a molecular wieght of 90 KD when purified by gel filtration and has a molecular wieght of 60 KD hen purified by electrophoresis which one is the more selective?a. An oligopeptide ALVGALGATPTPQMWSHSWRGVSIKS was digested with trypsin.Which method would be most appropriate for separating the products: ion exchange or gel filtration chromatography? Explain.b. Suppose that the peptide was digested with cyanogen bromide. What would be the optimal separation technique? Explain
