Question

question 1 1 pts which of the following has a triplet of nucleotides called a codon? rna polymerase trna rrna mrna none of these are correct

Explanation:

A codon is a sequence of three nucleotides on mRNA that corresponds to a specific amino - acid or stop signal during protein synthesis. RNA polymerase is an enzyme involved in transcription, tRNA has anticodons that pair with codons on mRNA, and rRNA is part of ribosomes.

Answer:

D. mRNA