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Kin selection theory provides hypotheses of why organisms may provide benefits to relatives.
Describe kin selection, when it is expected to occur, and provide an example. Is there a conflict between the principle of kin selection and the evolution of siblicide? Also, Eusociality is said to be the epitome of kin selection. What factors may be important to the evolution of eusociality?
Membrane bound proteins are generally associated with the nonpolar groups of lipid molecules. Explain how detergents affect the structural integrity of membrane bound proteins in comparison to their effects on normal globular proteins.
In dogs, colored fur is dominant to un-colored fur. Black fur color is dominant to brown fur color. The E gene is epistatic to the B gene.
If the steric demands of the leaving group in the 2-methyl-s-butyl system were greater than those of a methyl group, why would 2-methyl-1-butene be expected to be formed in greater amounts
List and describe at least three cellular features of bacteria that could be targeted to inhibit or kill bacterial pathogen. Which is a significant flaw in this experimental set-up.
Early in development, most human cells turn off expression of essential component of telomerase, enzyme responsible for addition of telomere repeat sequences (5' TTAGGG 3') to the ends of chromosomes.
Curled ears is an autosomal dominant monogenic trait in cats conditioned by gene C. A heterozygous curl cat is bred with a normal eared cat.
A karyotypically normal couple has a child with trisomy twenty-one Down syndrome. DNA analysis if 21q polymorphic markers reveals the following results.
The mRna for awell known secretory protein is isolated and place in a test tube in the presence of all the substances required for in vitro protein synthesis. The sequence of the protein produced in vitro is then compared to a purified secretory p..
The replication cycles of bacteriophages and animal viruses have many similarities. Discuss similarities and differences of the characteristics of prophages vs proviruses.
Ms. Cornwall is admitted with pyelonephritis. She has chills and her temperature is 101° F. She is complaining of flank pain, frequency, and dysuria. Her urine has white blood cell casts and her urine culture is growing E. coli. Why does she have ..
At what stage of the cell cycle are the chromosomes satisfactorily condensed that they FIRST become visible under the light microscope.
Both loci for a gene from a parent who has a mutant phenotype and his normal child indicate they are both heterozygous with the same alleles. Why does the child not display the mutant phenotype?
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