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

Which solution, A or B, has a greater concentration of hydrogen ions? Solution A pH = 10 Solution B pH = 13

Name the structure labeled “A.”

What color is a Gram + Cell?

You need to make a serial dilution of a protein solution as shown in the image below. The initial concentration of tube #1 is 100 mg/ml. What will be the concentration in tube #3.

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

Name the structure labeled “A.”

Which solution, A or B, has a greater concentration of hydrogen ions? Solution A pH = 10 Solution B pH = 13

Below is an example of nutrition facts for bacon. Of the 4 tests we did in the lab for macromolecules, which one(s) would test positive in this sample?

What is the dependent variable in the following experiment?