Write the SI (metric) unit for each abbreviation given below.  a.  18 m represents [m]    b. 15 L represents [L]    c. 85 mm represents [mm]. 

Which solution of NaCl is more concentrated, as labeled?

You extracted RNA using the organic solvent method (Trizol, which uses phenol and chloroform to extract this molecule). You measured your extracted sample and the A260/A280 ratio is 1.7. You would describe this preparation as:

You need 250 mL of 0.25X tris-acetate-EDTA (TAE) for the buffer tank to run an agarose slab gel. You have 50X stock TAE. How much of the stock TAE do you need to dilute to 250mL?

After weighing the masses of Tris and EDTA you calculated in the previous question, you dumped the powders in a standard lab beaker, added ddH2O to the 100mL mark on the beaker and stirred until the powder was completely dissolved. Is this solution correctly made and ready for use as described (yes or no)? Justify your answer.

What type of DNA did we isolate from our hair follicles?

Add the following numbers to obtain the correct sum:    8,519    2,221       654   +     9 [BLANK-1]

Two rooms needs 42 feet of electric baseboard heaters. Lengths of 9 feet, 8 feet, 7 feet, and 7 feet are already placed. What length of baseboard heater in feet still must be placed? [BLANK-1]

Divide the following numbers to obtain the correct quotient.74,789 ÷ 143 = [BLANK-1]

Multiply the following numbers to obtain the correct answer:5,198 x 2,998 = [BLANK-1]