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Electron Microscopy: Ribosomes

 

In secretory cells, the cytoplasm is full of ribosomes translating mRNA coding for secretory proteins. Each dot seen on the micrograph represents a ribosome.

Photo: Electron micrograph of salivary glands in Chironomus tentans. Hans Mehlin, Department Cell and Molecular Biology, Karolinska Institutet and Nobelprize.org.


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