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Recombinant proteins, often seen in the news, are _____.
Question

Recombinant proteins, often seen in the news, are _____.

A.

proteins synthesised in animal models

B.

natural proteins found in bacteria

C.

proteins synthesised in mutated cell lines

D.

proteins synthesised by transgene in host cell by rDNA technology

Correct option is D

The Correct Answer is: (d) proteins synthesised by transgene in host cell by rDNA technology
Explanation:
Recombinant proteins are proteins that are produced using recombinant DNA (rDNA) technology, where a gene encoding the desired protein is inserted
into a host cell (such as bacteria, yeast, or mammalian cells). This gene, often called a transgene, directs the host cell to produce the target protein.
Information Booster:

• Allows mass production of human proteins without needing human donors.​
• Widely used in biopharmaceuticals and vaccine production.
Insulin (Humulin) was the first FDA-approved recombinant protein in 1982.
• Recombinant proteins are highly pure, scalable, and specific.
• The process avoids reliance on animal or human tissues.
• Also used in gene therapy, diagnostics, and industrial enzymes.

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