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not understanding how to do this please explain...

Question: not understanding how to do this please explain...

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Not understanding how to do this. Please explain

Print out the homework, write or draw in your answers neatly and clearly, and bring it to lab with you. 1. You have a tube containing 10 ml of colored water. Draw and label a diagram to show how you would do a series of four, 2-fold dilutions (1:2 dilutions) of this sample. 2. You have one gram of soil that contains S x 10 (that is 50,000,000) bacterial cells that can form colonies on laboratory plates. In tube A, you mix this one gram of soil into 10 ml of water. How many colony-forming units (CFUs) are present in each ml in tube A? 1 ml 1 ml How many colony-forming units (CFUs) are present in each ml in tube B? 9 ml water 9 ml water 10 ml water each ml in tube C?

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