2. Questions Bank
  3. NEET
  4. Biology
  5. Molecular basis of Inheritance / विरासत का आणविक आधार

NEET Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank Gene Regulation and Genetic Code

  • question_answer
    Wild type E.coli cells are growing in normal medium with glucose. They are transferred to a medium containing only lactose as the sugar. Which one of the following changes take place [CBSE PMT 1995]

    A) The lac-Operon is repressed

    B) All Operons are induced

    C) E. coli cells stop dividing

    D) The lac-Operon is induced

    Correct Answer: D

    Solution :

    Lac operon: cluster of genes that regulates production of enzymes needed to metabolize lactose in bacterial cells (E. coli). It is an inducible operon.


You need to login to perform this action.
You will be redirected in 3 sec spinner