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someone
Jan 7, 2015

Ribosomes and the mitochondrion are specialized structures in a cell.
Ribosomes are made up of ribosomal RNA and proteins.Their function is to synthesize proteins,by linking amino acids together in order specified by messenger RNA.Ribosomes consist of two major components — the small ribosomal subunit which reads the RNA, and the large subunit which joins amino acids to form a polypeptide chain.enter image source here

Mitochondrion(pl.mitochondria) is described as ''the powerhouse of the cell" because they generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy.
enter image source here
http://en.wikipedia.org/wiki/Ribosome
http://en.wikipedia.org/wiki/Mitochondrion

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