What is a human cell line?
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Answer:
Human cell lines are immortalized cells propagated in vitro from primary explants of human tissue or body fluid. The use of human cell cultures as a model for more complex biological systems is an integral part of molecular biology, and biomedical research.
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Answer:
An immortalised cell line is a population of cells from a multicellular organism which would normally not proliferate indefinitely but, due to mutation, have evaded normal cellular senescence and instead can keep undergoing division. The cells can therefore be grown for prolonged periods in vitro. The mutations required for immortality can occur naturally or be intentionally induced for experimental purposes. Immortal cell lines are a very important tool for research into the biochemistry and cell biology of multicellular organisms. Immortalised cell lines have also found uses in biotechnology.