A protein solution is prepared by dissolving 750 µg of protein in 1250 µL of water. A 300 µL sample of this solution is

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A protein solution is prepared by dissolving 750 µg of protein
in 1250 µL of water. A 300 µL sample of this solution is diluted to
a total volume of 1500 µL. How many mg of protein will be in a 500
µL sample of the diluted protein solution?
Group of answer choices
0.02 mg
0.00006 mg
0.00002 mg
0.06 mg
0.000002 mg