Answer:
After transcription, some RNA molecules are altered to contain bases not encoded in the genome. Most often this involves the editing or modification of one base to another, but in some organisms can involve the insertion or deletion of a base. Such editing events alter the coding properties of mRNA.
Explanation:
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Plasma Membrane is the answer
<h2>Water temperature is the right answer</h2>
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It would 100% be 40 to 50 years old.