Zoology - Molecular Basis of Inheritance Question with Solution | TestHub
ZoologyMolecular Basis of InheritanceRegulation of Gene ExpressionEasy2 minPYQ_2020
ZoologyEasysingle choice
Lactose is the substrate for the enzyme ß-galactosidase and it regulates switching on and off of the operon. Hence it is termed as
Options:
Answer:
A
Solution:
In the lac operon, the regulator gene produces active repressor protein which binds to operator switching it off. When bacteria are grown in a medium having lactose, it functions as an inducer and binds repressor making it inactive and switching on the system.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Molecular Basis of InheritanceSubtopic:Regulation of Gene Expression
⏱ 2mℹ️ Source: PYQ_2020
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