Which of the following pairs is correct?

Svedberg unit - biomembranes

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Polyribosomes - RNA

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Dictyosomes - suicidal sacs

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Cisternae - mitochondria

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Solution

The correct option is A Polyribosomes - RNA
In a cell, mRNA is translated into polypeptide chain by ribosomes. Several ribosomes are seen held together on the same mRNA molecule. This structure was called polyribosome or polysome by Rich in 1963. Dictyosomes is an old term for Golgi apparatus. Svedberg unit is a unit of the sedimentation coefficient. Membranous fold in mitochondria is called cristae and not cisternae. So the correct option is B.

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