Teaching MPPSC Assistant Professor Mock Test Series 2025 Life Sciences Fundamental Processes Control of gene expression
In bacteria, the housekeeping genes are expressed constitutively, but they are all not expressed at the same level. Which of the following can be the mechanism responsible for the variation in their degree of expression?
1
Some housekeeping genes are more inducible than the others.
2
Some housekeeping genes are more repressible than the others.
3
Some housekeeping gene products are degraded quickly in some cells, soon after their synthesis.
4
The promoters of these different genes have different affinities to the RNA polymerase holoenzyme