If cells from a carrot are removed and placed in a culture medium, they can develop into a normal adult plant. this demonstrates that carrot cells

Carrot cells are 'totipotent'.

Explanation:

Totipotency is the genetic potential of a plant cell which have all the genes or genetic information by which the cell can be developed into the whole plant similar to the original plant.

Cells obtained from a carrot from its stem, root or any other parts and the cells are kept in a culture medium containing mineral nutrients, vi¬tamins and hormones. The cells in a medium allowed to divide.

As a result, the cells in culture will produce an undifferentiated mass of cells called callus. The callus can give rise to normal plant under given certain ma¬nipulations in the culture.

Thus, the cells of the callus are totipotent.  

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igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.