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SEARCH AND DESTROY EXAM QUESTIONS

SEARCH AND DESTROY EXAM QUESTIONS

The absorbance values of solutions A and B were determined using a spectrophotometer and recorded in the following chart.  Which solution would have a higher protein concentration?  Absorbance Solution A 0.488 Solution B 0.167

What color is a Gram + Cell?

Which of the following are added to the “blank” test tube used to set the spectrophotometer to 0% Absorbance (100% Transmittance)? Write down all answers that apply. Water Protein Protein Detection Reagent (such as Bradford or Biuret)

The absorbance values of solutions A and B were determined using a spectrophotometer and recorded in the following chart.  Which solution would have a higher protein concentration?  Absorbance Solution A 0.488 Solution B 0.167