Question

Let's estimate the number of proteins in an E. coli (10 points). (a) Calculate the average weight of amino acids considering different molecular weights of twenty different amino acids (3 points). Please look at the molecular weight of amino acids on the following pages. Estimate the average molecular weight of a protein by assuming that a protein consists of 300 amino acids on average (1 point). (b) Estimate the weight of proteins in an E. coli (3 points). Refer to the table of chemical compositions and the mass of an E. coli in our previous lectures. (c) Estimate the number of proteins in an E. coli (3 points).

          Let's estimate the number of proteins in an E. coli (10 points).

(a) Calculate the average weight of amino acids considering different molecular weights of twenty different amino acids (3 points). Please look at the molecular weight of amino acids on the following pages. Estimate the average molecular weight of a protein by assuming that a protein consists of 300 amino acids on average (1 point).

(b) Estimate the weight of proteins in an E. coli (3 points). Refer to the table of chemical compositions and the mass of an E. coli in our previous lectures.

(c) Estimate the number of proteins in an E. coli (3 points).

Added by Autumn M.

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