Question

Who got Nobel Prize in 1978 for working on enzymes?

• A. Koshland
• B. Arber and Nathans
• C. Nass and Nass
• D. H.G. Khorana

Answer 1

Answer: (B)

Arber and Nathans

Arber and Nathans along with Hamilton O. Smith got the nobel prize in 1978 for working on enzymes. They discovered restriction enzymes and their application in molecular genetics.

Restriction enzymes are used in genetic engineering for gene manipulation. It cuts DNA base pairs at specific sites. They cut the base pairs within the molecule so they are named as an endonuclease. 3000 restriction enzyme has been discovered till now. They are known as molecular scissors as they are used to cut a single gene from a larger piece of DNA.

So, the correct answer is option B.