The C gene contains 21,000 base pairs. Determine the number of complete turns of the helix in this gene

The C gene contains 21,000 base pairs. Determine the number of complete turns of the helix in this gene and the number of amino acids encoded in it.

1. Each complete turn of the DNA helix includes 10 pairs of nucleotides. Therefore, the number of complete turns of the helix in the gene is 21000: 10 = 2100 turns.
2. One amino acid is encoded by three nucleotides. Therefore, the number of amino acids encoded in the gene is 21,000: 3 = 7,000 amino acids.

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