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Author Archives: Anonymous

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?

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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?

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Why are the tubes used in fixed-angle centrifugation pointed…

Why are the tubes used in fixed-angle centrifugation pointed at the bottom?

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A 50 kDa protein would consist of approximately ______ amino…

A 50 kDa protein would consist of approximately ______ amino acids.

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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?

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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?

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The Lowry assay is advantageous over the Bradford assay beca…

The Lowry assay is advantageous over the Bradford assay because

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Which of the following is equal to 50 ng/µl?

Which of the following is equal to 50 ng/µl?

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The Belmont Report requires “respect for persons”. This refe…

The Belmont Report requires “respect for persons”. This refers to

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How is cDNA generated?

How is cDNA generated?

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