What is the role of lysozyme and a low strength ionic buffer
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- what is the concetration of a lysozyme solution with an absorbance of 0.720 measured at 280 nm( e= 36000 -1M -1cm,l=1cm)A mixture of proteins contains Pepsinogen (35 kDa), Fumarase (49 kDa), Transferrin (80 kDa) and Thyroglobulin (340 kDa). Rank these proteins based on the order of their elution from a gel filtration column (1 being the first one to elute and 4 as the last one). Throglobulin Pepsinogen Fumarase TransferrinIs there any other steps or is this the full solution? im still a bit confused.
- A student who was isolating aspirin stopped the experiment after the filtration step with alumina. One week later, the methanol was evaporated and the experiment was completed. The melting point of the aspirin was found to be 110–115°C. Explain why the melting point was low and why the melting range was so wide.The proteins given below are separated using CM cellulose at pH 7.0 Write the order of elution of these proteins from the column Proteins pl Fibrinogen 5.8 Hemoglobin 7.1 Lysozyme 11.0 Pepsin 1.0 Ribonuclease 7.8The side chain of acetyl-L-lysine-OMe has a pKa=10.5 and its acid-dissociation reaction is shown below. see attachment for Question D.
- Given the amino acids below, what amino acid will elute first in a cation-exchange column. 1. Aspartate or Lysine using a buffer at pH 7 2. Arginine or Methionine using a buffer at pH 7 3. Lysine or Valine using a buffer at pH 7 4. Glycine or Valine using a buffer at pH 7 5. Serine or Alanine using a buffer at pH 7Given a stock protein solution with a concentration of 6 mg/ml, determine the protein concentration of a solution made by mixing 5 μl of the stock with 5 μl of a buffer.What is the relevance between the antiseptic property of 70% alcohol solution and lipid solubility