The 'Operon model' for gene regulation in bacteria was proposed by:
- AJacob and Monod
- BBarry Commoner
- CCrick
- DWatson and Crick
Explore More
Similar Questions
$A$: $Lac$ operon exerts negative control only.
$R$: The operator is occupied by aporepressor during regulation.
$R$: The operator is occupied by aporepressor during regulation.
Medium
View SolutionMatch Column-$I$ with Column-$II$:
Column-$I$ Column-$II$ $(i)$ Operator site $(a)$ Codes for enzyme (protein) $(ii)$ Promoter site $(b)$ Codes for repressor $(iii)$ Structural gene $(c)$ Binding site for $RNA$ polymerase $(iv)$ Regulator gene $(d)$ Binding site for repressor
| Column-$I$ | Column-$II$ |
|---|---|
| $(i)$ Operator site | $(a)$ Codes for enzyme (protein) |
| $(ii)$ Promoter site | $(b)$ Codes for repressor |
| $(iii)$ Structural gene | $(c)$ Binding site for $RNA$ polymerase |
| $(iv)$ Regulator gene | $(d)$ Binding site for repressor |
Medium
View SolutionIn eukaryotic organisms,gene expression regulation cannot occur at which of the following levels?
Medium
View SolutionWhich of the following enzymes increases the permeability of the bacterial cell to lactose?
In $lac$ operon,the gene '$i$' codes for repressor protein,the letter '$i$' indicates . . . . . . .
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo