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thin layer of living tissue between the xylem and the phloem, which is able to divide to make new cells.
the inner most layer of the cortex of roots and some stems of plants.
fats that are solid at room temperature and are found in animals. They are thought to be linked...
the membrane that surrounds the nucleus. It is similar in structure and function to the cell...
thin-walled or slightly strengthened, elongated phloem cells that conduct food substances.
long threads of genetic material (DNA and histone) found in the nucleus of a non-dividing cell...