Please give answer to both questions only answer thanks!

Chromatin remodeling complexes (SWI/SNF) function by A. cutting the DNA and unwinding the DNA helix. B. displacing the entire histone core. C. breaking up the basal transcription factors D. stopping DNA replication. The CTD tail of RNA polymerase II A. interacts specifically with TBP, allowing for proper placement within the basal apparatus. B. requires acetylation to initiate transcription. C. binds specifically to enhancer sequences. D. requires phosphorylation for promoter clearance and initiation of transcription.