A codon consists of _____ bases and specifies which _____ will be inserted into the polypeptide chain.
three; amino acid
Where does RNA polymerase begin transcribing a gene into mRNA?
It starts after a certain nucleotide sequence called a promoter.
What is the function of RNA polymerase?
It unwinds the double helix and adds nucleotides to a growing strand of RNA.
A ribozyme is a biological catalyst made of RNA.
How is translation initiated?
All of the above.