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Q1. o Humans shape their environment in ways that other organisms cannot. Are humans subject to the same pressures of natural selection as other organisms? Why?
o Provide an example of convergent and divergent evolution, adaptive radiation, and co-evolution.
• select one of the examples you provided and discuss the implications this example could have for future human.
Q2. In what ways are species more "fluid" than even 20th century biologists might have believed? To what extent was Darwin's explanation of species as "convenient constructions" accurate? Are species real?
Select appropriate symbols for the alleles of the height and flower colour genes. List phenotypes and predicted ratios for the F2 generation.
Compare and contrast gene expression in prokaryotes vs. eukaryotes from the standpoint of promoter sequences
Describe why people confined to wheelchairs as of paralyzed lower limbs have thin, weak bones in their thighs and legs.
A mammal uses only one to two percent of its energy in ventilation as a fish must spend about 15 percent of its energy to move water over its gills. Explain this huge difference in their efforts to collect oxygen.
If relatively small carbonaceous chondrites from space were a significant source of Earth's original amino acids, then which two of these would have been most important in permitting their organic materials to survive impact with Earth.
Determine what it may tell us about the dietary history of humans. Establish whether or not you believe it is incorrect to refer to any modern species as primitive, and give details why.
Who was Carl Weigert? What influence did Weigert have on Ehrlich. Other than the acid-fast stain, what other technique may be used to diagnose tuberculosis? What scientist developed this test.
A plasmid digest with BamHI produced 2 kb and 4 kb fragments. Digest of a plasmid with HindIII produced 6 kb fragment. Double digest with both enzymes produced 1 kb, 2 kb and 3 kb fragments. Sketch a plasmid map.
Make the statement that there is an equal number of all four bases (A, T, C, G) and that the sequence of bases is random, how often will a single operator be expected to appear by chance. What factors or clues lead you to this diagnosis.
Which phenomenon accounts for movement of these genes. Because a doughnut contains large quantity of energy that can become available for our metabolism when eaten, why isn't the doughnut "jumping" all over counter or hot to the touch.
Based on the structure of individual keratin subunits, why would a single point mutation in the alpha-helical region of the monomer result in a defect in the polymer.
Roger has arthritis and has been taking prednisone (a glucocorticold) at prescribed levels for two months. He isn't feeling well and complains of repeated colds. He is puffy (edematous). Describe the reason for these symptoms.
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