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1. In Grave’s Disease, hyperthyroidism is produced by an IgG that causes prolonged activation of the TSH receptors and results in excessive secretion of T3 and T4.  Explain why the negative feedback mechanism does not work in this disease. Reference an internet source (URL) or book. 2. Chromatographic assay reveals […]

Q1. Using the knowledge of DNA replication, describe the mechanisms in place for preventing mistakes during the process. Also discuss how potential mistakes can happen? What would be the consequences of such mistakes during the process? Q2. The research team used setup to learn the incorporation of labelled nucleotides into […]

True and False 1) Reduced glutathione, a tripeptide with a free sulfhydryl group is required to combat oxidative stress and maintain the normalreduced state in the cell 2) Muscle weakness during prolonged exercise would be predicted tobe an important symptom of a genetic deficiency in the productionof carnitine acyl transferase. […]

For many years orchid collectors searched exotic island forthe beautiful kimmarie orchid, which is found no place in theworld. after they found the orchid, they brought it back to thierhomes. in the last couple of years the kimmarie orchid has nit beenfound on the island. as a result, hobbyists are […]