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What would you expect the absorbance of a sample to be if the transmittance was 83.11%?

In the kinase assay,

Steps of protocols are allowed to be omitted from a journal if

You need to centrifuge a 1 ml sample at 7000 g, separate soluble and insoluble components, and visualize the pellet inside the tube afterwards. Which of the following should you use?  

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?

Buffers lose their capacity to resist changes in pH when

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? 

A protein has a concentration of 30 μM, and 3 tryptophans (ε = 5500) and 2 tyrosines (ε = 1490). What is its absorbance?

Which of the following quantification assays is most variable with regards to the protein’s sequence?

The absorbance of a solution is directly proportional to