Help, biology question!?! university/college level?
Help, biology question!?! university/college level?
The lac repressor protein is composed from polypeptide chains each of which contains 360 amino acid
residues. The relative molecular mass of the intact protein was determined by equilibrium
centrifugation to be 160,000. Explain how this information is consistent with a tetrameric quaternary
structure of the protein? (On average an amino acid residue in a protein has a relative molecular mass
of 110.)
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