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22 January, 14:01

A. Globin is a red blood cell protein that is responsible for oxygen transport. The amino acid

sequence for a portion of the globin protein is Proline, Glutamic Acid, Glutamic Acid, Lysine. Write

the mRNA sequence of the amino acids for these amino acids in the space below (note, you don't

have to write all possible mRNA combinations for each amino acid, simply choose one correct codon

each amino acid specified above).

B. How many nucleotides would it take to code for the four amino acids in the above question.

Explain your answer.

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Answers (1)
  1. 22 January, 17:57
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    Answer: A

    Explanation:

    Proline:CCG

    Glutamic Acid: GAG, GAA

    Lysine: AAG

    Answer: B

    Explanation: Each group of three nucleotides code for one amino acid. This means it would take 12 (3 times 4 equals 12) nucleotides to code for, four amino acids.
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