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Q1. The lethal inhalation dose of sarin for a 200 lb person has been determined to be 0.0015mg. Find out the LD50 of sarin that researchers used to compute that lethal inhalation dose.
Q2. Assume that a fox feeds only on rabbits, squirrels, mice, and seed-eating birds, all of which feed on plant material. How various square meters of plant material are then required to support the fox if the net primary productivity of the plant material is 8000 Kcal/m2/year? Imagine that the fox's daily caloric requirement is 800 Kcal, and that only 10 percent of the energy at one trophic level can be passed on to the next. If the fox were to feed only on insect-eating birds, how many square meters of plant material would be necessary?
What is the possibility that this child will have red-green color blindness? Figure the cross.
Also glucose technically doesn't have a carbonyl functional group then because it is broken when the ring structure is formed? Is it a random chance that either alpha or beta glucose is formed.
Clarify the principle and advantage of using a rapid identification system. what is the probability that a son born to this woman would be phenotypically normal with respect to both of these traits.
What factors establish the choice of a paper strip containing bacterial endospores or a sealed ampule containing an endospore suspension for testing heat-sterilization equipment.
How may someone become hyponatremic in a country where the salt content of food is generally very high. What about the function.
Suppose you have a light chain genome with 64V regions and 8J regions. If you had repeated attempts at recombination, how many dissimilar attempts would be made when the middle region of both V and J is the segment chosen at each recombination.
How can altering ice nucleation protein production yield a bacterial strain useful to agriculture? Explain the logic and how this works.
How could you demonstrate experimentally that the selective antagonist binds the receptor specifically? Illustrate the experiment you would perform and also the controls you would contain.
Sketch another graph showing the response to selection if the heritability, h2, of pesticide resistance is 0.8. Illustrate an experiment that you could use to measure how this population of beetles responds to the selection that occurs when the popul..
What information does it not provide that may be useful for deciding on conservation efforts. What are the genotypes of the parents.
A 40 year old woman was admitted into ER with fever, chills, and a dry cough with little sputum. Epidemiologists isolated pathogen in the cooling system of the air conditioning unit.
Multicellular animals have some mechanism to control cell mass that we do not understand; for in case, salamanders of different ploidies are the same size such that a haploid, a diploid, and a pentaploid organism are about the same size.
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