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प्रश्न
All of the following are associated with the role of ribosomes except:
विकल्प
several ribosomes are often attached to and translating the same mRNA.
joining amino acids together to form a polypeptide.
prevents the anticodon of tRNA from aligning the associated amino acid in the wrong position in the developing strand.
no protein synthesis within a cell. would occur without ribosomes.
MCQ
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उत्तर
prevents the anticodon of tRNA from aligning the associated amino acid in the wrong position in the developing strand.
Explanation:
The statement about ribosomes preventing the alignment of anticodons is wrong because the actual job of a ribosome is to help and ensure that the tRNA anticodon matches perfectly with the mRNA codon. It acts as a docking station that brings them together so the correct amino acid can be added to the chain. The other points are all true: ribosomes are the essential “protein factories” that join amino acids together, and many of them can translate a single mRNA strand at the same time to speed up protein production.
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