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Notes on the meaning, structure and functions of Plastids

Notes on the meaning, structure and functions of Plastids. Plastids are large cytoplasmic organelles, enclosed by a double membrance. They are mostly found in plants with exception of some lower groups like fungi. Few animals, like protozoan flagellates, also contain these.

By |2011-06-17T19:21:52+00:00June 17, 2011|Notes|Comments Off on Notes on the meaning, structure and functions of Plastids

What are Plastids and mention its types and functions ?

Plastids are double membraned organelles which are found in plant cells only. They are usually spherical or discoldal in shape and their average size is 4 to 6 um. A plastid shows tow distinct regions-grana and stroma Grana are stacks of membrane-bound, flattened, discold sacs containing chlorophyll molecules.

By |2011-01-03T07:33:35+00:00January 3, 2011|Biology|Comments Off on What are Plastids and mention its types and functions ?
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