Biology, 18.04.2020 07:58, mistiehaas

The purpose of the heart is ?

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Biology, 22.06.2019 10:10, dpazmembreno

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Biology, 22.06.2019 14:20, sanfordl

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Biology, 22.06.2019 18:30, Annabel9554

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell