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Doctors Medicines MCQs Q&A

The investigation of the lac operon for the metabolism of lactose was done by __________

The investigation of the lac operon for the metabolism of lactose was done by __________ Correct Answer Francois Jacob and Jacques Monod

The pioneering studies of gene regulation in E. coli were carried out by Francois Jacob and Jacques Monod in the 1950s. These investigators and their colleagues analyzed the expression of enzymes involved in the metabolism of lactose, which can be used as a source of carbon and energy via cleavage of glucose and galactose.

Related Questions

The lac operon is found only in prokaryotes and consists of structural genes and a promoter and operator. Which of the following statements explains why we study the lac operon?
If there is an insertion mutation in the operator of the lac operon, the expression of the lac structural gene will be __________
In the absence of Lactose, what is expected to happen according to lac operon model ?
We know that lactose has a positive impact on the activity of the lac operon. Tryptophan’s presence has a ________________
What will be the binding status of regulatory proteins in lac operon when concentrations of both lactose and glucose are very low in the culture medium?
The lactose (lac) operon of the bacterium E. coli has which of the following structural genes?
The synthesis of new proteins necessary for lactose utilization by the bacterium E. coli using the lac operon is regulated
Which of the following statements are correct?
1. Investigation is made by a police officer.
2. The object of police investigation is to collect evidence.
3. Investigation is a judicial proceeding.
4. Investigation is not a judicial proceeding.
Select the correct answer:
Consider the following statements:
1. Investigation is made by a police officer
2. The object of police investigation is to collect evidence
3. Investigation is a judicial proceeding
4. Investigation is not a judicial proceeding
Which of the statements given above are correct?
Consider the following statement and choose the correct answer with the help of code given below:
1. Investigation is conducted by police officer
2. Magistrate cannot interfere in investigation
3. Investigation is a judicial proceeding
4. Investigation is not a judicial proceeding