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Think about a population of owls. For simplification purposes let's say that an owl's flight can be loud or silent and is a function of classic Mendelian genetics. Some of the owls in the population are loud, and some of the owls in the population are silent. Flying loudly is the dominant trait, so individuals that fly loudly can have 2 genotypes FF and Ff. Individuals that fly silently are homozygous recessive and will have the genotype ff.
This population of owls specializes on eating gerbils, and gerbils are good at hearing owls. What will happen to the gene frequency for the flight alleles over many generations? In general, what will happen to the number of loud and silent flyers over time?
What effect might this have on cell lineages during development. Describe the physical changes that would occur in SIM medium if you inoculated an organism that was negative for hydrogen sulfide but positive for indole production and motility.
The altered tRNA translates the UGA as tryptophan. What nucleotide varies has probably occurred in the mutant tRNA molecule? What consequences will the presence of such a mutant tRNA have for the translation of the normal genes in this cell.
In our experiment, we had 2.0 mM solution and we diluted different volumes of it into sodium carbonate before reading in the spec. These were our dilutions.
Determine the time domain equation that describes the change in drug concentration, C(t) for a given step increase in infused drug concentration, M?
Vitamin D resistant rickets is usually an X-linked dominant situation. The disease is caused by mutations the PHEX gene and results in bone deformity and bow leggedness.
Assume your professor handed you a test tube with 3.0 ml of an E.coli culture in it and told you to make a 10^(-3) dilution of the entire culture. Describe how you would do it.
Suppose that the 3-loci , each with two alleles determine the difference in height between two homozygous strains of a plant.
List and express at least three prokaryotic cellular features that might be targeted in this way to inhibit or kill a bacterial pathogen.
Determine where the chain would be more likely to show beta bends or reverse turns.explain where one would fin cross-linked disulfide bonds.
Early in development, most human cells turn off expression of an essential component of telomerase, the enzyme responsible for addition of telomere repeat sequences to the ends of chromosomes.
Suppose that a team of scientists exploring in the Amazon discover various novel species of bacteria that use a non-standard nucleotide "X" in DNA.
What caused the symptoms? What treatment has to have been administered in July? What treatment must be administered 2 years later.
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