Produce only two types of polypeptides in a translation

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A repeating polymer with the sequence 5'- GUAGUAGUAGUA...-3' was found to produce only two types of polypeptides in a translation system that uses cellular componants but not living cells. Onle polypeptide consisted of repeating Val and the other of repeating Ser. How can you explain this result?

Reference no: EM13117090

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