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Ed Rivers, a 3rd year medical student, was alone in the hospital ER one night. It was unusually quiet that night, and the resident was getting some much needed sleep. A patient, Mrs. X, was brought in showing signs of serious dehydration. Ed tried to give here water, but she vomited this back […]

“It is more difficult to find commercially available antibodies for immunoprecipitation (that actually work), than antibodies for western blots. This company sells an antibody that works even for a native western blot – not a common technique. But the same antibody does not work well for immunoprecipitation of the protein”, […]

1) Cigarrete smoking worsens disease caused by exposure to asbestos. if a worker who smokes is exposed over many years to asbestos over many years in the work place and subsequently develops lung cancer , then who is responsible for his developing lung cancer ? is the employer responsible  or […]

Lysosomes are single membrane-enclosed, 0.2-0.5 m-diameter spherical vesicles inside the cytosol of eukaryotic cells. They contain digestive enzymes used for controlled hydrolysis of targeted cellular components and materials entering cells by phagocytosis and pinocytosis. The pH inside lysosomes is about 5 versus near neutrality for the surrounding cytosol.a. What is […]