【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
【多选题】商品采购到货与现付业务中,需要进行的操作有( )?
【单选题】在银幕或屏幕上,通过蒙太奇表现,呈现出多种复杂的形态,其中处理时间的最基础方式是()
【简答题】春秋战国时期的陶器以( )、暗纹陶、( )为代表。