Are You a Hormone Synthesis Pro?
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Questions and Answers

What is the precursor of the hormone?

  • A single protein chain composed of 217 amino acids (correct)
  • A double protein chain composed of 192 amino acids
  • A double protein chain composed of 217 amino acids
  • A single protein chain composed of 192 amino acids

    • What is the role of the signal sequence of 26 amino acids in the pre-hormone?

  • It is cleaved to give the biologically active protein (correct)
  • It is not removed in the bacterially synthesized proteins
  • It is used as the initiator of protein synthesis in most bacteria
  • It is responsible for the extra amino acid in the recombinant protein

    • What is the role of N-formylmethionine in the recombinant protein?

  • It is used as the initiator of protein synthesis in most bacteria (correct)
  • It is responsible for the extra amino acid in the pre-hormone
  • It is not removed in the recombinant protein
  • It is cleaved post-translationally in some bacterially synthesized proteins

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