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small, non-pigmented plastids that occur in roots and non-photosynthetic tissues of plants. They often occur in cells that store food.
the forming new plants asexually (without the production of seeds or spores).
the process whereby a particular change causes a response which reverses that change.
part of cellular respiration: a cyclical series of reactions in which the pyruvic acid formed in...
extremely hard, calcium-rich substance which covers the crown of the tooth.