Question:
why 50S and 30S together form 70S in prokaryotic ribosome?why not 80S
Answer:
Hi there!
The sedimentation rate of the entire ribosome is not the sum total of each of its subunits. It is always less that their arithematic sum due to the unavailability of two open surfaces.
Therefore, it is not 50S + 30S = 80S. Instead, it will be 50S + 30S = 70S.
Thanks
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