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Biology, Genetics
Year 3
Diluting
1)a 50ml stock solution of pigelase has a concentration o 10g/ml. How could you make a solution that contained only 0.01g/ml of pigelase. in a final note you cannot use more than 1 ml of water
2) a solution of DNA has a concentration of 2mg/ml. 20 microliter of a 10^-2 (ten to the negative two) dilution of the original solution contains how much dna.
3)a stock solution is 0.7 M and you desire a 5 microM solution. how much should the original stock solution be diluted?
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Pipetting and diluting - A solution has a concentration of 3.8mg/ml of protein.
a) 7 μl of a 10-5 dilution of the original solution contains how much protein?
b) How much should you dilute the original solution to get a protein concentration of 2 μg/ml?
If you could also give me a web site or attachment that may help me to under stand other problems like this i would apprecate i...
diluting - 140 microliters (ul)of a solution containing o.1M NaCl and 60micrograms/ml of DNA is mixed with 50ul of a solution containing 0.02M NaCl and 50ul/ml of DNA. what is the concentration of NaCl and DNA in the mixture?
I dont know what to do, i know i should know this by now please help me.
Diluting - 1) a biological test pond has a volume of 2500 L and a sulfate concentration of 0.002mM. Two liters of 3M sulfuric acid are added to pond. What is the concentration of sulfate in the test pond?
2) a solution contains the protein insulin at a concentration of 5 mg/ml. You wish to transfer 2 microliters of insulin to another tube. How much of the original solution should be transf...
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