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Byju's Answer
Standard XII
Biology
Ribosomes of Eukaryotic Cell
Polyribosomes...
Question
Polyribosomes are aggregates of
A
Ribosomes and rRNA
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B
Only rRNA
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C
Peroxisomes
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D
Several ribosomes held together by string of mRNA.
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Solution
The correct option is
D
Several ribosomes held together by string of mRNA.
When several ribosomes are held together on a single mRNA chain and can translate an mRNA simultaneously are called polyribosomes or polysomes.
All the ribosomes can translate the mRNA and thus, many polypeptides chains are formed simultaneously from a single mRNA.
So, the correct answer is 'Several ribosomes held together by string of mRNA.'.
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Polyribosomes are formed when ribosomes are attached by
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The formation of polyribosomes from ribosomes is done in the presence of
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Sir how does the mRNA molecule binds up the ribosomes together???
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Assertion: Ribosomes protects mRNA from ribonuclease.
Reason: mRNA is located in the gap between the two ribosomal subunits.
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Many ribosomes associate with a single mRNA to form multiple copies of a polypeptide simultaneously. This string of ribosomes are termed as
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Standard XII Biology
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