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molecular biology problem that enables you to convert daltons

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Assume that the DNA of a certain bacteriophage contains 2 x 105 base pairs. How many genes does this number of base pairs correspond to? (The average protein is about 40,000 daltons)

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Solution Summary

The expert assumes that the DNA of a certain bacteriophage contains base pairs. How many genes which this number of base pairs corresponds to is determined.

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First, you need to know that the molecular masses of amino acids may vary, but they average 100 daltons. That means that the average protein contains 40,000/100=400 amino acids. Since each amino acid is encoded by three base pairs of DNA (three nucleotides), the protein ...

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