for the diagram i talked about how mRNA is formed and basically drew a small diagram of how it looks. and then i talked about how tRNA connects with mRNA forming polypeptide chain etc. and drew another diagram of how the tRNA joining the mRNA looks pointing out where the amino acid is etc. not sure if right :/
as for the last question i rushed that one because i was running out of time. talked very briefly gene splicing and pcr, filled up all the lines but felt like i was repeating myself heaps lol.
First part of biotech, did you label A as primers and B as taq polymerase?