What is the extinction coefficient of a protein with a conce… What is the extinction coefficient of a protein with a concentration of 1.25 μM and absorbance of 0.65? Read Details
80 ng of DNA is needed for a ligation, and its concentration… 80 ng of DNA is needed for a ligation, and its concentration is 30 ng/µl. How many microliters of DNA are required? Read Details
What would the transmittance of a sample be if the absorbanc… What would the transmittance of a sample be if the absorbance was 0.7? Read Details
Polycarbonate bottles are clear, and therefore the sample ca… Polycarbonate bottles are clear, and therefore the sample can be visualized after centrifugation. What advantage do polypropylene (opaque) bottles provide? Read Details
Why are the tubes used in fixed-angle centrifugation pointed… Why are the tubes used in fixed-angle centrifugation pointed at the bottom? Read Details
A 50 kDa protein would consist of approximately ______ amino… A 50 kDa protein would consist of approximately ______ amino acids. Read Details
A protein has a concentration of 60 µM, and 2 tryptophans (ε… A protein has a concentration of 60 µM, and 2 tryptophans (ε = 5500) and 3 tyrosines (ε = 1490). What is its absorbance? Read Details
What is the extinction coefficient of a protein with a conce… What is the extinction coefficient of a protein with a concentration of 1.25 μM and absorbance of 0.45? Read Details
The Lowry assay is advantageous over the Bradford assay beca… The Lowry assay is advantageous over the Bradford assay because Read Details
Which of the following is equal to 50 ng/µl? Which of the following is equal to 50 ng/µl? Read Details