The two subunits of ribosome remain united at | vedclass

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(A) The correct answer is $A$. Ribosomes are small organelles with a diameter of $150 \ \mathring{A} - 250 \ \mathring{A}$.Each ribosome consists of t

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magnesium

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(A) The correct answer is $A$. Ribosomes are small organelles with a diameter of $150 \ \mathring{A} - 250 \ \mathring{A}$.Each ribosome consists of two subunits: a smaller subunit and a larger subunit.These two subunits are held together by $Mg^{2+}$ ions at a critical concentration of approximately $0.001 \ M$.If the concentration of $Mg^{2+}$ ions in the cytoplasm decreases,the two subunits dissociate.Conversely,when the $Mg^{2+}$ ion concentration increases,the two subunits associate to form a functional ribosome or a dimer.

The two subunits of ribosome remain united at a critical ion level of

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