BIOLOGY
STRUCTURE OF PROTEINS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these is present in both prokaryotic cells and eukaryotic cells?
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nucleus
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ribosome
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chloroplast
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mitochondrion
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Explanation:
Detailed explanation-1: -Ribosomes are non-membrane bound organelles found in both eukaryotic as well as prokaryotic cells.
Detailed explanation-2: -Ribosomes occur both as free particles in prokaryotic and eukaryotic cells and as particles attached to the membranes of the endoplasmic reticulum in eukaryotic cells.
Detailed explanation-3: -Key Points. All prokaryotes have 70S (where S=Svedberg units) ribosomes while eukaryotes contain larger 80S ribosomes in their cytosol. The 70S ribosome is made up of a 50S and 30S subunits.
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