Please answer both q thanks

Generally speaking, actively transcribed chromatin can be said to contain A only methylated histones. B. both demethylated histones and DNA. C. only methylated DNA. D. both methylated histones and DNA A mutation in the-10 region of a promoter for agene in a bacterial cell growing under optimal conditions from TATACT to TGTACT would likely result in A a large increase in transcription activity of the gene. B a decrease in transcription activity for this gene. C a slight increase in transcription activity for this gene. D no change in transcription activity for this gene.