試題詳解

56. A certain bacterial mRNA is known to represent only one gene and to contain about 800 nucleotides. If you assume that the average amino acid residue contributes 110 to the peptide molecular weight, the largest polypeptide that this mRNA could code for would have a molecular weight of about ______ .
(A) 800
(B) 30,000
(C) 5,000
(D) 80,000
(E) An upper limit cannot be determined from the data given