The lac operon is under positive control, a phenomenon called _________________

The lac operon is under positive control, a phenomenon called _________________ Correct Answer glucose-effect

The lac operon is negatively regulated by repressor proteins. There is also a positive control that prevails in the lac operon, called the glucose-effect. When glucose is present in the medium along with other substrates, the catabolism of the letter is suppressed.
Bissoy MCQ

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 the lac operon of the genome of bacteria is always active it has a defect in which region of the operon?
Which of the following is/are the advantages of using a control chart for inspection? (i) A control chart indicates whether the process is in control or out of control. (ii) A control chart determines process variability. (iii) A control chart ensures product quality. (iv) Scrap or percentage reduction can be reduced by taking the necessary actions in time against the warnings indicated by control charts. (v) Control charts build up the reputation of the organization through customer’s satisfaction. (vi) The control chart can detect the unusual variations taking place in a process.
If there is an insertion mutation in the operator of the lac operon, the expression of the lac structural gene will be __________
A and B jointly owe Rs. one lac to C. A alone pays the whole amount to C. B not knowing the fact of payment by A pays Rs. one lac over again to C. Is C bound to repay Rs. one lac to B.
The minimum Long Run Average Cost (LAC) can be determined on a
I. LAC curve for a normal production function
II. LAC curve for a linear production function
III. Planning curve
IV. Envelope curve
We know that lactose has a positive impact on the activity of the lac operon. Tryptophan’s presence has a ________________
Lac operon follows a trans-acting control mechanism.
How many enzymes are produced in the lac operon under the same promoter?
Once an operon structure is known ______ for the presence of a promoter and regulatory elements _____ in the operon do not possess such DNA elements.