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A protein is 300 amino acids long. Which of the following could be the number of nucleotides in a bacterial gene that codes for that protein? 1) 3 2) 100 3) 300 4) 900 5) 306 2. Using Neurospora, Beadle and Tatum were able to propose the far-reaching hypothesis that 1) mutants will grow

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Answer:

2) 100

Explanation:

  • Every 3 nucleotides in an mRNA specifies the addition of one amino acid in a protein.
  • Each three-letter "word" which is the combination of nucleotides is called a codon.
  • Therefore, amino acids are coded by a series of three-letter "words" - a 300 nucleotide mRNA will code for a 100 amino acid protein.