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Describe the cell-mediated response to the intracellular viruses by starting with an infected epithelial cell. Be sure to include the name of the MHC presenting protein. Name the cells of the specific host defense that respone and describe how they eliminate the virus.
You can assume the cell has already been simulated by cytokins from a T-helper cell. You do not need to explain theses T-cell stimulation steps.
Suppose someone presented data from their research that showed the DNA of a newly discovered species was composed of: 30% adenine, 30% guanine.
Molly requires to make one liter of a 1.5 M glucose solution for use in an experiment. The molar mass of glucose is 180.16 g/mol.
Develop the process of transcription using dsDNA as a template to produce a final functional mRNA. In your drawing label the direction of the nucleic acids, RNA polymerase,
Assume you examine the stability of your favorite protein kinase and find that half of the protein is degraded every 10 minutes.
In interrupted mating experiments using an Hfr strain in E. coli, you find that two genes, bio and arg, are transferred at about the same time. A third gene, pab is transferred slightly later.
Assume you are studying the inheritance of flower color and seed color in navy beans and the yellow flower color is dominant over white and white seed color is dominant over beige.
Think about the trp operon. For each condition below, indicate whether the cell will synthesize the enzymes coded by trpE, trpD, trpC, trpB, and trpA and be able to synthesize trypophan.
When a person exercises, muscle tissue produces both fixed acids (lactic acid) and volatile acids (CO2). In terms of the binding of oxygen to hemoglobin, how might this mild acidosis be beneficial to the person?
Assume if centrifugation of a cell suspension at a rotation speed of 1200 rpm takes three min, Determine how much time will be required to achieve the same degree of cell.
Suppose if insulin were treated with mercaptoethanol to break its disulfide bonds, and then the mecaptoethanol were removed so that disulfide bonds could reform,
Single stranded binding protein, topoisomerase and telomerase all solve potential problems in DNA replicatio.
At 4.00 rm L, an expandable vessel contains 0.864 rm mol of oxygen gas. How numerous liters of oxygen gas should be added at constant temperature and pressure if you require a total of 1.96 mol of oxygen gas in the vessel.
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