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Recombinant DNA can be inserted into a host cell where its protein product is produced. Such a protein expressed from a foreign gene in a heterologous host is called a:
ASynthetic protein
BRecombinant protein
CNative protein
DCloned protein
Answer & Solution
Correct answer: B. Recombinant protein
**Recombinant protein** = a protein produced from a **cloned (recombinant) gene expressed in a heterologous host**. Examples: insulin from E. coli (Humulin), human growth hormone, EPO, monoclonal antibodies. Foundation of the modern biopharmaceutical industry.
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