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Question: Assume your calculated RDA is different from that stated in the text. What would account for that difference?
Question: Assume you have a bacterial suspension and you need to dilute it to .0010 of the initial concentration so that you can determine the number of colonies per milliliter. The volumes must be between .1 and 2 ml. Diagram the steps you would use.
Assume you are purifying a protein on a weak cation exchanger and it comes off at 300mM salt. predict what salt concentraiton the protein would come off if you used a strong cation exchanger.
Assume y ou wish to use PCR to sequence a particular gene that you have isolated. The sequencing protocol suggests that you use 3.2pmole (pico moles) of your primer in a 2 micro liter volume.
Compute the changes in Na+ due to an action potential. In other words, by what factor does the [Na+]I change because of an action potential firing?
Determine how to calculate osmolality for an electrolyte versus nonelectrolytes and molality versus osmolality.
At the starting of the spring, Dr. Betty Burner notices that there is an equal distribution of long and short-stemmed dandelions in her backyard.
Determine which of the following molecules or substances contain, or are derived from, fatty acids?
A marine biologist has dredged up an unknown animal from the seafloor. Describe some of the characteristics she must look at to determine the phylum to which the animal have to be assigned.
A special Mixture of gases is blended for SCUBA diving that contains 30 percent Oxygen and 70 percent Nitrogen. At atmospheric pressure what is the partial pressure of the oxygen in mmHG.
Summarize the two various camps of thought on the life cycle of Pfiesteria. Which set of the arguments do you determine.
Mitochondria are now day descendants of endosymbiotic bacteria. How many different RNA polymerases would you expect to find in Drosophila mitochondria?
A 70-year old woman presents with a one hour history of crushing substernal chest pain. Shortly after admission, the patient expires.
A very short physiology student is asked to analyze the blood pressure of a very tall student. She decides to measure the blood pressure at the level of the tall student's foot while he is standing
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