The sedimentation coefficient of complete ribosomes in bacterial cell is

70S

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80S

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78S

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73 S

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60S

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Solution

The correct option is A 70S
Ribosomes are naked ribonucleoprotein particles made up of rRNA and proteins. They are found in both prokaryotes and eukaryotes. The prokaryotic ribosomes have sedimentation coefficient 70S while eukaryotic ribosomes have sedimentation coefficient 80S. The prokaryotic ribosomes are made up of two subunits 50S and 30S while eukaryotic ribosomes are made up of 60S and 40S subunits.

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