As you know ribosomes are the machines of translation. So ribosomes are very rich in tissues or cells which are involve in secretion. Examples: Pancreatic tissues. read more
The ribosomes in a eukaryotic cell generally have a Svedberg value of 80S and are comprised of 40s and 60s subunits. Prokaryotic cells, on the other hand, contain 70S ribosomes, each of which consists of a 30s and a 50s subunit. read more
Tissues and organs that need a lot of energy have large numbers of mitochondria in their cells. For example, liver cells and muscle cells contain a lot of mitochondria. Ribosomes - Higher tier. Some cell structures are too small to be seen with the light microscope. Ribosomes are like this. read more