The name of the molecule numbered as "2" is (a)   .

The bases on mRNA strands are read in threes and they code for an amino acid. An example of this has been labelled as "3" in the diagram. The name given to this structure is (a)   .

7. The blue molecule is a transfer RNA (tRNA). At the bottom of it, there are three bases represented by red question marks. Which letters should replace those question marks? (Write the three letters in capitals, from left to right with no spaces and no period at the end of your answer).

(a)  

9. Which amino acid does CAU code for? Write your answer as a single word (no abbreviations) and do not use a period at the end.

(a)  

10. An mRNA codon transcribed from DNA codes for the amino acid "Methionine". What was the original DNA base sequence? (Write the three letters in capitals, from left to right with no spaces and no period at the end of your answer).

(a)