If you are using the 4X objective, what will be the total magnification of the specimen?

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 structure do Gram – bacteria possess that Gram + bacteria lack?

Give the base unit of measurement for length in the metric system.

In the Gram staining exercise, what was used as the counterstain?

Give the base unit of measurement for length in the metric system.

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)

What color is a Gram + Cell?

Identify the gram status of the cells shown.

Identify the microscope part labeled “A.”