In an inducible operon, the genes are

  • [NEET 2013]
  • A

    usually not expressed unless a signal turns them ”on”.

  • B

    usuallyexpressed unless a signal turns them “off”.

  • C

    never expressed

  • D

    always expresser.

Similar Questions

Write short note on lac operon
 

All of the following are part of an operon except

  • [NEET 2018]

Select the two correct statements out of the four $(i-iv)$ given below about lac operon.

$i.$ Glucose or galactose may bind with the repressor and inactivate it.

$ii.$ In the absence of lactose, the repressor binds with the operator region.

$iii.$ The z-gene codes for permease.

$iv.$ This was elucidated by Francois Jacob and Jacque Monod.

In Operon concept, regulator gene functions as

  • [AIPMT 1999]

Terminator gene