Q.
Which among the following can be seen in the ultrastructure of both eukaryotic and prokaryotic cell?
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NTA AbhyasNTA Abhyas 2020Cell : The Unit of Life
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Solution:
The ribosomes are the smallest known electron microscopic without membrane, ribonucleoprotein particles attached either on RER or floating freely in the cytoplasm and are the sites of protein synthesis. Presence of ribosomes (size 23 nm in diameter) is revealed with the help of an electron microscope.