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You're an international athlete. For breakfast you had a lemon poppyseed muffin. Now theres a knock at your door. It is the internation no drugs in athletes committee. They want a sample of your urine for a drug test.
What sort of test are they going to perform? How does it work?
What is going on it the molecular level?
How does this test compare to the ELISA?
What other diagnostic tests can be done to test for drugs? How would it be different?
Know how liquid (broth) and solid forms of media (slants, deeps, petri dishes) are prepared and sterilized in an autoclave.
For the E. coli lac operon, write the partial diploid genotype (for O,Z and Y) for a bacterial strain with an F prime plasmid that will produce beta-galactosidase constitutively and permease inducibly.
Advantages and disadvantages of mesoderm, the need of modifications for the elimination of nitrogenous waste, and a description of protonephridial function.
Suppose that the 3-loci , each with two alleles determine the difference in height between two homozygous strains of a plant.
A 2-amino-purine can be incorporated into DNA in place of adenine. It can pair equally well with thymine or cytosine. What type of mutation do you expect it to cause.
Define HeLa cells and where did they come from? Using specific examples, discuss how these cells have contributed to the advancement of our understanding of human biology.
Identify a mutant whose chromosomes shorten after each round of replication. A mutation in which gene would explain this observation?
The F1 are test-crossed to dwarf, peach fuzz, oblong plants, and 1000 test-cross progeny are produced. Estimate the phenotypes of test-cross progeny, and what number of progeny is expected in each class?
What are the expected frequencies of three phenotypes (bald, red hair, yellow hair) in the male offspring of this cross? Imagine we observe 50 percent bald, 42 percent yellow hair, and 8 percent red hair. What is a recombination fraction between the ..
Biological recognition is significant in many processes explain how the process of recognition occurs while an organism recognizes other members of their own species.
Explain why does a single capillary have a high resistance to the flow of blood and a capillary network of circulation have a low resistance?
Imagine that non disjunction occurred throughout the production of the egg cell that produced your dragon's baby and resulted in no sex chromosome in the sperm cell. How would this change phenotype of your dragons' baby? Be exact for each trait that ..
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