Answer

Version B Short answer. Record all answers on this answer sheet. 42 . The following DNA sequence belongs to the bacteria E. coli. Transcribe into mRNA and translate it into a polypeptide. Fill the middle row with the mRNA sequence, giving each box one nucleotide. Label the 3' and 5 ends. Fill the amino acid sequence in the bottom row, giving each box up to one amino acid. Codon table is at the end of the exam. (3 points ) 3'- T AC T A CA A T G C G C T A T A A A T C - 5' 43. Another sample of E. coli has a mutation in the DNA sequence from the previous question. Circle the mutation. (1 point) 3' - TACTACAAT GC GCTATAGATC-5' 44. Transcribe and translate the mutated DNA. Fill the middle row with the mRNA sequence, giving each box one nucleotide. Label the 3' and 5' ends. Fill the amino acid sequence in the bottom row, giving each box up to one amino acid. Codon table is at the end of the exam. (3 points) 3'- T AC T A CA A T G C G C T A T A G A T C - 5' 45. Will the mutation in question 4% affect protein function? Why or why not? (2 points)