99
Question
The ribosomes of bacteria, mitochondria, prokaryotes (Nostoc) and chloroplast are of
The ribosomes of bacteria, mitochondria, prokaryotes (Nostoc) and chloroplast are of
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Solution
The correct option is C 70S type
Prokaryotic cell lacks membrane bound cell organelles. A prokaryotic cell, however, has ribosomes which are naked particles and function in protein synthesis. The prokaryotic ribosomes are of 70S type, distinct from eukaryotic ribosomes which are of 80S type. Eukaryotic cell organelles like chloroplast and mitochondria have their own protein synthesizing machinery and their own ribosomes which resemble prokaryotic ribosomes.So, the correct answer is '70S type'
Prokaryotic cell lacks membrane bound cell organelles. A prokaryotic cell, however, has ribosomes which are naked particles and function in protein synthesis. The prokaryotic ribosomes are of 70S type, distinct from eukaryotic ribosomes which are of 80S type. Eukaryotic cell organelles like chloroplast and mitochondria have their own protein synthesizing machinery and their own ribosomes which resemble prokaryotic ribosomes.
So, the correct answer is '70S type'
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