Final answer:
Competition among acetyltransferases and methyltransferases can impact gene expression by modifying chromatin proteins and DNA.
Step-by-step explanation:
Competition among acetyltransferases and methyltransferases can cause changes in gene expression by modifying chromatin proteins and DNA. Acetyltransferases add acetyl groups to histones, loosening the chromatin and allowing for gene transcription.
On the other hand, methyltransferases add methyl groups to histones, leading to tighter packing of the chromatin and transcriptional repression. The competition between these enzymes determines the accessibility and transcription of DNA.