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- The technique that separates denatured proteins based on size is SDS-PAGE. FRAP. O thin-layer chromatography. O Western blotting. O freeze-fracture microscopy.Why would the following medium not be considereda chemically defined medium: glucose, 5 grams (g);NH4Cl, 1 g; KH2PO4, 1 g; MgSO4, 0.3 g; yeast extract, 5 g;distilled water, 1 liter? What is aseptic technique andwhy is it necessary?Which of the following scientists use this X-ray crystallography?
- Las células... Son todas microscópicas y para verlas necesitamos el microscopio O Hay células que pueden verse sin microscopio O Todas se pueden ver sin microscopio O Para verlas necesitamos un microscopio electrónicoThree dipeptides are separated by electrophoresis at ph 5.8. if the dipeptides are Arg-trp, Asp-thr, and Val-met, describe the motion of each with respect tothe positive and negative electrodes in the electrophoresis apparatus.A student performs a separation by TLC on a silica get plate that results in three spots. Ared spot is measured 23 mm away from the original sample spot, a blue spot is 42 mmaway, and a yellow spot is 49 mm away. The distance from the original spot to where thesolvent stopped is 55 mm.a) Calculate the Rf value for each component in the mixture. (Show your work and reportthe correct number of significant figures.) b) The silica gel plate is polar. Rank the three components in the mixture from lowest tohighest polarity. Explain your answer.
- To prevent inclusion from occurring during precipitation, the technique to follow is I. filter precipitate with less porous paper II. crystal growth be made to occur more slowly which of the two is correct?Give one effect of the following problems encountered in Histotechnique.a. Insufficient clearingb. Prolonged clearingc. Incomplete dehydrationd. Block not cooled rapidly enoughe. Incomplete fixationf. Knife is not clamped properlyg. Bubble or dirt is formed in embedding mediumh. Paraffin is impurei. Microtome set screw is loosej. Horizontal surface of block is not parallel to the knifePlease don't provid3e handwritten solution ....
- NMR is considered a low-sensitivity spectroscopic technique. What is the physical basis of NMR's insensitivity?Given the following absorbance spectrum, to what wavelength should you set the spectrophotometer to measure your samples? Absorbance 400 500 600 Wavelength (nm) 700Does it enhance the meaning of work using Titan 80-300 Cubed Microscope?
