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Protein Synthesis Practice 1 PURPOSE To review protein synthesis PROCEDURE Place the steps of protein synthesis in the correct order. _____ DNA rejoins & mRNA leaves the nucleus _____ the mRNA codons pair up with the tRNA anticodons; amino acids are added _____ DNA unzips _____ a mRNA copy of the DNA is made _____ amino acids continue to be added until “stop” is reached. _____ mRNA enters the ribosomes ************************************************************************************************************************* Directions Use the DNA nitrogen bases below to determine the correct mRNA and tRNA sequence and the correct amino acids. SEQUENCE 1 DNA: mRNA: tRNA: Amino Acid: CTG – ATG – TGG – GCA – CAG – GTG – AAC – GTT SEQUENCE 2 TAG – ATG – AGG – CGC – TTG – TAC – TGC – ATT DNA: mRNA: tRNA: Amino Acid: SEQUENCE 3 CGT – GTT – ACC – TGT – AGC – TGC – AAG – TGC DNA: mRNA: tRNA: Amino Acid: ************************************************************************************************************************* How many amino acids would be made from the DNA segment below? S P P S C T P S P A G A S S T P S P S P S G G C C S P S P P S P S P S C A A G T T S P S P S P S P G C P S P S P S P S C A A G T T S P S P S P P