1
![card image](../uploads/284/5/685d0915_18bca948d0e__8000_00002384.png)
A codon consists of _____ bases and specifies which _____ will be inserted into the polypeptide chain.
three; amino acid
2
![card image](../uploads/285/6/685d0915_18bca948d0e__8000_00002382.png)
Where does RNA polymerase begin transcribing a gene into mRNA?
It starts after a certain nucleotide sequence called a promoter.
3
![card image](../uploads/286/7/685d0915_18bca948d0e__8000_00002380.png)
What is the function of RNA polymerase?
It unwinds the double helix and adds nucleotides to a growing strand of RNA.
4
A ribozyme is a biological catalyst made of RNA.
True
5
![card image](../uploads/287/8/685d0915_18bca948d0e__8000_00002378.png)
How is translation initiated?
All of the above.