A rare disease is now understood to be caused by a single mutant gene. When the researcher learns that the gene encodes a ________, she says "Oh good! We may be able to treat the disease with recombinant protein produced in E. coli and delivered by injection."

A. protein hormone
B. mitochondrial enzyme
C. component of chromatin
D. ribozyme
E. cell-surface receptor


Answer: A

Biology & Microbiology

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