Archaea and eukaryotes can regulate cellular processes posttranslationally by using

Archaea and eukaryotes can regulate cellular processes posttranslationally by using

Archaea and eukaryotes can regulate cellular processes posttranslationally by using Multiple Choice

regulatory transcription factors.
feedback inhibition and covalent modifications.
feedback inhibition and regulatory transcription factors.
compaction of chromatin and DNA methylation.
antisense RNA and alternate splicing.

post-translational modification means modifications of the protein after the proteins are made. like covalent modifications of the protein like phosphorylation, peptide bond formation, ubiquitination, etc. If the protein is an enzyme then the products of the reaction catalyzed by the reaction inhibit the enzyme allosterically to prevent further production of the products ( feedback inhibition ) . so the answer is feedback inhibition and covalent modifications.
reasons for why other options are not correct : transcription factors regulate the transcription process, chromatin compaction and DNA methylation regulates gene expression at the DNA level, anti-sense RNA regulate the gene expression at the RNA level, anti-sense RNA binds to the mRNA based on complementarity and degrades the mRNA or prevents the translation of the mRNA,

Archaea and eukaryotes can regulate cellular processes posttranslationally by using