Biology, 14.07.2019 23:00 GreenHerbz206
One of the primary advantages of cell culture is the ability to isolate a single type of cell from a multicellular organism. how has this advance changed the study of biology? single-type cultures are easier and cheaper to maintain than cultures made of mixed cell types. scientists can completely avoid using animal or human test subjects during their experiments. cultures with single cell types behave in culture exactly as they would behave in a tissue or organ. scientists know that any response during an experiment is associated only with that cell type.
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Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?
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Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen
Answers: 2
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