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In an inducible operon, the genes are
Options
(a) Always expressed
(b) Usually not expressed unless a signal turns them “on”
(c) Usually expressed unless a signal turns them “off”
(d) Never expressed
Correct Answer:
Usually not expressed unless a signal turns them “on”
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When man eats fish which feeds on zooplankton which have eaten small plants
- Which one of the following is an example of Ex situ conservation?
- Excessive elongation of plant stem is due to
- The rate of formation of new organic matter by rabbit in a grassland, is called
- The lining of intestinal wall from outside to inside is made up of
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Lac operon is a type of inducer operon.The operon expresses its gene only in the presence of an inducer i.e Lactose it destroys the repressor proteins and now the structural genes are expressed