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1. What is the significance of Rf (relative to front) values? Whatinformation can be deduced about the molecules separated by paper chromatography,assuming that you know nothing about each molecule except where it was extracted from?2. Based on your results, what are the optimum wavelengths of light for absorptionby each pigment (hint: look for spikes in the spectrum)? How do theresults compare to the predictions you made? Do yourfindings correspond with those noted in the literature?3. If you were to use an aquatic plant for your starting material, what would you expect to see in termsof pigments and absorption spectra, incomparison to your observed results from spinach? Explain.
What is the difference between a genetic map and a physical map? .What is horizontal gene transfer? What is a centiMorgan and what does 1cM equal?
Provide the 4 characteristics of an inflammatory response.
Look up the genome size of the following organism: Escherichia coli, Homo sapiens, Zea mays, Li Hum longiflorum, Protopterus aethiopicus.
A protein was purified to homogeneity. Determination of the mass by gel-filtration chromatography yields 60kd. Chromatography in the presence of 6 M urea yields 30-kd species.
what would be the minimum number of carbons found in a molecule for that molecule
Consider normal skin pigmentation (A) dominant to albino (a) and susceptibility to migraine headache (M) dominant to normal (m). The loci are autosomal. Assume that both parents are heterozygous for the skin colour and migraine traits described ab..
Suppose that several years ago you mapped two genes: A and B. You discovered that they were 12 map units apart. Since that time other analyzers have mapped several other genes
Assume the two tryptophan codons within the leader peptide of the trp operon were changed from tryptophan to asparagine.
How does the mechanism of heredity work ? or How do these Traits get Expressed ? (this is same question )
Discuss in detail the role of NMDA receptors and AMPA receptors in the induction of LTP. What is the role of protein synthesis? What is a "synaptic dialog?" Who is "talking" to whom and what are they "saying?"
In humans, oogenesis in comparison to spermatogenesis is different in that. cytokinesis is unequal during the meiotic divisions.
What is the piston height h if the temperature is 30 degrees? How far does the piston move if temperature is increased by 200 degrees.
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