【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
【单选题】以下关于中华鲟增值放流活动的说法正确的是:
A.
活动举办地点位于长江口崇明大桥旁边一个军事码头
B.
农业部和上海市人民政府在长江口共同举办“拯救国宝中华鲟共促长江大保护”增殖放流活动
C.
活动主题为“拯救国宝中华鲟,共促长江大保护”
【单选题】以下关于中华鲟增值放流活动的说法正确的是:
A.
活动举办地点位于长江口崇明大桥旁边一个军事码头
B.
农业部和上海市人民政府在长江口共同举办“拯救国宝中华鲟共促长江大保护”增殖放流活动
C.
活动主题为“拯救国宝中华鲟,共促长江大保护”
【简答题】____regulated factor(受稳态调节的因子)
【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()