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The two sub- units of ribosomes remai...

The two sub- units of ribosomes remain united at a critical ion level of

A

copper

B

manganese

C

magnesium

D

calcium

Text Solution

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The correct Answer is:
C
Magnesium is constituent of chlorophyll, middle lamella, and connected with phosphate transfer in respiration. It is concerned with binding of ribosomes, DNA and RNA synthesis.Manganese activates enzymes of respiration,photosynthesis and nitrogen metabolism performmgoxidation, reduction, decarboxylation, photolysis ofwater, etc. Copper is activator of plastocyanin , cytochromeoxidase, RuBP carboxylase and many other enzymes. It functions in electron transfer,maintenance of carbohydrate/nitrogen balance,chlorophyll synthesis, etc.Calcium is constituent of middle lamella, activator of enzymes connected with chromosome formation and many aspects of metabolism.
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