# Protein is composed of 210 amino acids. Establish how many times the molecular weight of the region of the gene encoding

Protein is composed of 210 amino acids. Establish how many times the molecular weight of the region of the gene encoding a given protein exceeds the molecular weight of the protein if the average molecular weight of an amino acid is 110 and a nucleotide is 300. Explain the answer.

1) the genetic code is triplet, therefore, the protein, which consists of 210 amino acids, is encoded by 210×3 = 630 nucleotides;
2) the molecular weight of the protein: 210 x 110 = 23 100; molecular weight of the gene: 630 x 300 = 189,000;
3) a section of the DNA molecule is 189000 heavier than the protein encoded by it: 23100 = 8 times.

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