Question

Jacob and Monad studied lactose metabolism in E.Coli and proposed operon concept. Operon concept applicable for : -

• A. All prokaryotes
• B. All prokaryotes and some eukaryotes
• C. All prokaryotes and all eukaryotes
• D. All prokaryotes and some protozoanes

Answer 1

The correct option is A All prokaryotes

Jacob and Monad study lactose metabolism in E.coli and proposed the Lac operon concept. The concept explains the transport and metabolism of lactose in Escherichia coli and many other enteric bacteria. The concept of Lac-operon is applicable to All prokaryotes.

So, the correct answer is 'All prokaryotes'.