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An oligomeric protein has a molecular weight of 153000. A 960 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene(sanger's reagent) until the reaction was complete. Next the peptide bonds were hydrolyzed by heating with concentrated HCl. The product of the complete hydrolysis contained 12 mg of the compound shown below, and no other 2,4-dinitrophenyl derivatives of the alpha-amino groups of other amino acids could be found.
How many polypeptide chains are in this protein?
As a pea plant grows, its root cells divide by mitosis. If the diploid chromosome number of the plant is fourteen, how various chromosomes will each newly formed root cell have.
Assume you survey a population in Hardy-Weinberg (H-W) linkage equilibrium with two loci C,c and D,d. The estimated frequencies of these alleles are:
Explain about the cell wall and nucleoid of bacterial cell, their structure and composition in detail. Explain the functions of the sensory neurons, interneurons, and motor neurons in the nervous system in brief.
If you obtain an RF value of 45 percent in one experiment, what can you say about linkage? (The actual figures are 58, 52, 47, and 43 out of 200 progeny)
If the genotype of an organism is YySsTt, then yST would represent. the genotype of the offspring. a gamete of that parent organism. a possible phenotype of the offspring.
Assume you are part of a team of scientists exploring a small, newly found island. This island is located approximately 150 miles off the coast of the mainland.
How long is the coding portion of the human beta-globin mRNA.
bioinformatic You have been given a gene sequence, which is in RAW file format. Perform the following tasks by visually inspecting the sequence using information you were provided during lectures for Module 1, Topics 2 and 3.
Flask A includes yeast cells in glucose-minimal salts broth incubated at 30C with aeration. Flask B contains yeast cells in a glucose-minimal salt broth incubated at 30C in an anaerobic jar.
How is the DNA of prokaryotes organized? In chromosomes? If so, how many, what shape? what are the characteristic shapes of individual bacteria cells? Give Latin and English terms.
Results of this analysis show that one of the most rapidly reassociating classes of DNA is substantially reduced in the older individual with respect to the 2 year-old. How can you describe this finding.
Determine the major difference between the cytoskeleton of bacteria and eukaryotic cells and if you were to analyze a DNA sample from a eukaryotic cell.
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