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Question 22 A small section of bacterial DNA template (antisense) strand has the following Correct nucleotide sequence: Mark 1.00 out of 1.00 CGA AAA GAG AAT ¥ Remove flag A mutation in the above sequence involved a substitution of a single base, resulting in an incomplete protein due to a nonsense mutation. Which of the following gene sequences exemplifies the mutation described above? a. CGA AAA AAG AAT b. UGA AAA GAG AAT c. CGA UAA GAG AAT d. CGA AAA GAG ACT v/ Your answer is correct. DNA CGA AAA GAG ACT mRNA GCU UUU CUCUGA Amino Acids | Ala - Phe - Leu - Stop ATT to ACT substitution resulted in the stop codon. The amino acid chain would stop at this point, resulting in an incomplete protein. The correct answer is: CGA AAA GAG ACT