Unlike prokaryotic cells, eukaryotic cells can regulate gene expression at many different stages of the pathway from DNA to protein. Which levels are listed?
AOnly the transcriptional and translational levels
BOnly the epigenetic and post-translational levels
CAll five levels, from epigenetic to post-translational
DOnly replicational, transcriptional, and mitotic levels
Answer & Solution
Correct answer: C. All five levels, from epigenetic to post-translational
1. Eukaryotic gene expression can be regulated at several distinct stages.
2. These are the epigenetic level, the transcriptional level, the post-transcriptional level, the translational level, and the post-translational level.
3. Limiting control to only transcription and translation ignores the epigenetic, post-transcriptional, and post-translational levels described here.
4. Replicational and mitotic levels of control are not mentioned among these stages of gene expression regulation.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 16 "Gene Expression", section 16.1 Regulation of Gene Expression_
Related questions
Regulatory proteins that bind to the untranslated regions of an RNA molecule can change hoSome new cancer drugs are designed around individual patients' gene expression patterns raThe protein c-Flip exists in two forms, a long form and a short form, and is involved in tIn cancer cells, silenced genes commonly show a specific combination of epigenetic changesThe gene myc encodes a transcription factor that becomes an oncogene when aberrantly activOne tumor suppressor gene is described as the most studied of its kind and is mutated in oCyclin B is a protein that normally serves as a cell-cycle checkpoint protein. In cancer cA protein tagged with an ubiquitin group is marked for a specific fate inside the cell. Wh