Which of the following is not considered a tool of recombinant DNA Technology?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Downstream processing
Option (1) Restriction enzymes — A tool.
Option (2) Downstream processing — Not a tool. Downstream processing is the separation and purification of the product after biosynthesis.
Option (3) Cloning vectors — A tool.
Option (4) Competent host — A tool. The host organism takes up the recombinant DNA.
NCERT Extract:
Tools of Recombinant DNA Technology – “… Now we know from the foregoing discussion that genetic engineering or recombinant DNA technology can be accomplished only if we have the key tools, i.e., restriction enzymes, polymerase enzymes, ligases, vectors and the host organism. Let us try to understand some of these in detail.”
Downstream Processing – “… The downstream processing and quality control testing vary from product to product.”