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rRNA

Ribosomal dim...

Question

Ribosomal dimer is formed by which of the following?

Increasing Mg

^{+ +}

concentration

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Decreasing Mg

^{+ +}

concentration

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Increasing NaCl concentration

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Both A and C

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Solution

The correct option is A Increasing Mg $^{+ +}$ concentration
Ribosomes are of two basic types 70S and 80S ribosomes. The 30S and 50S subunits of a ribosome together make up a 70S ribosome. The 80S ribosomes consist of a large 60S subunit and a small 40S subunit. Metal ions chiefly, magnesium ions, play an important role in holding the two subunits together and also in maintaining the structure of the two subunits.
So, the correct answer is option A.

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