【单选题】Because trans fatty acids in the diet are an important risk factor for ____________ disease, their use in prepared and processed foods has become highly regulated.
【多选题】Transcription factors bind to either enhancer or promoter regions of DNA adjacent to the genes that they regulate. Depending on the transcription factor, the transcription of the adjacent gene is eith...
A.
stabilize or block the binding of RNA polymerase to DNA
B.
catalyze the acetylation or deacetylation of histone proteins. The transcription factor can either do this directly or recruit other proteins with this catalytic activity.
C.
recruit coactivator or corepressor proteins to the transcription factor DNA complex