You analyze a DNA sample which gives an A260 of 1.15 and an… You analyze a DNA sample which gives an A260 of 1.15 and an A280 of 0.67. What is the concentration of this DNA sample, and is it sufficiently pure? Read Details
Steps of protocols are allowed to be omitted from a journal… Steps of protocols are allowed to be omitted from a journal if Read Details
In NIH study sections at the Center for Scientific Review, In NIH study sections at the Center for Scientific Review, Read Details
To harvest bacteria or yeast in large volumes (e.g. 50 liter… To harvest bacteria or yeast in large volumes (e.g. 50 liters) you should use a(n) Read Details
It is important to conduct double-blind experiments when pos… It is important to conduct double-blind experiments when possible to Read Details
A researcher receives a five year grant from the NIH, and a… A researcher receives a five year grant from the NIH, and a percentage of the grant money is given to the Office of Research. This is considered Read Details
Using the standard curve below, what is the concentration of… Using the standard curve below, what is the concentration of a sample that gives an absorbance of 0.3 when 6 microliters of sample are assayed? Read Details
How do you prepare 1 L of 80 mM Tris pH 8 (Mw = 121.14), 400… How do you prepare 1 L of 80 mM Tris pH 8 (Mw = 121.14), 400 mM NaCl (Mw = 58.44) from a 1 M stock of Tris pH 8? Read Details
The absorbance of a solution is directly proportional to The absorbance of a solution is directly proportional to Read Details
Which of the following quantification assays is most variabl… Which of the following quantification assays is most variable with regards to the protein’s sequence? Read Details