Use the following information to answer the next few questions.
The enzyme polynucleotide phosphorylase randomly assembles nucleotides into a polynucleotide polymer.
-You add polynucleotide phosphorylase to a solution of ATP, GTP, and UTP. How many artificial mRNA 3 nucleotide codons would be possible?
A) 3
B) 6
C) 9
D) 27
E) 81

Question

Quizplus · Accepted Answer

There are three different nucleotides (ATP, GTP, and UTP) that can be randomly assembled into a polynucleotide polymer. A codon is composed of three nucleotides. Therefore, there are 3 possible nucleotides that can be chosen for the first position, 3 possible nucleotides for the second position, and 3 possible nucleotides for the third position, resulting in 3 x 3 x 3 = 27 possible codons.

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