Zoology - Molecular Basis of Inheritance Question with Solution | TestHub
ZoologyMolecular Basis of InheritanceRegulation of Gene ExpressionEasy2 minPYQ_2020
ZoologyEasysingle choice
In operon concept, regulator gene functions as:
Options:
Answer:
D
Solution:
An operon consists of a cluster of genes under the control of a single promoter. It possesses an operator, a promoter, a regulator and structural genes.
The regulator gene produces repressor protein which binds to the operator and thus inhibits the transcription of the structural genes (repressor).
It also regulates the transcription of the structural genes (regulator).
The product of the regulator gene is an inhibitor that keeps the operon model turned off.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Molecular Basis of InheritanceSubtopic:Regulation of Gene Expression
⏱ 2mℹ️ Source: PYQ_2020
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