Answer:
<em>Granite is a type of igneous rock. What determines the size of the crystals that form in a sample of granite?
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<em>B.
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<em>how quickly the rock cooled</em>
The nucleus is responsible for storing dna as well as the instuctions for protein synthesis
You may have to enlarge it but here you go!
Well, it is possible that those stop codons have dual functions. They can act as stop signals or, on the other hand, they can be used to incorporate amino acids.
Other explanation is that multiple stop codons may reduce the rate of nonsense mutation.