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Question
Give diagrammatic representation of Lac-operon in the presence of inducer.
Solution
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RELATED QUESTIONS
Describe how the lac operon operates, both in the presence and absence of an inducer in E.coli.
Name the components of lac operon and discuss their role.
Study the schematic representation of the genes involved in the lac operon given below and answer the questions that follow :
| p | i | p | o | z | y | a |
(a) Identify and name the regulatory gene in this operon. Explain its role in 'switching off' the operon.
(b) Why is the lac operon's regulation referred to as negative regulation?
(c) Name the inducer molecule and the products of the genes 'z' and 'y' of the operon. Write the functions of these gene products.
Short Answer Question:
Explain the role of lactose in ‘Lac Operon’.
A unit of lac-operon which in the absence of lactose, suppresses the activity of operator gene is
The sequence of structural genes in lac operon is ______.
E. coli cells with a mutated Z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because ______.
Define an operon. giving an example, explain an Inducible operon.
What is the role of a repressor gene?
Explain the components of the structural genes in the Lac operon system in E.coli.
