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undifferentiated mass of tissues that forms when small pieces of the parent plant, called explants, are grown in a special growth medium.
tissue that binds organ components and organs together and supports structures of the body.
a structure that is used by molluscs for feeding. It is a minutely toothed, chitinous ribbon...
a diploid reproductive stage in the life cycle of many fungi and protists.
a duct through which saliva passes from the salivary gland into the mouth.
an organelle that occurs in the cytoplasm of both plant and animal cells. It is made from stacks...