A group of ribosomes attached to mRNA is known as a polysome and the attachment is controlled by:
Correct answer: B. Mg++ ions
- A. Na+ ions
- B. Mg++ ions
- C. Ca·++ ion
- D. K+ ions
Explanation
Ribosomes are composed of two subunits known as large and small, which unites to form the active ribosome during the process of protein synthesis. The increased concentration of Mg2+leads to association of both the units while the decreased concentration favours the dissociation of the units.
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