How long did the remodeling take A: 5 months B: 7 months C: 8 months D: 10 months

What will the business do on October 20th A: Close for remodeling B: Host a celebration C: Take its inventory D: Hire a staff member

About bone formation, which is correct ( ) A: clavicle is formed by endochondral ossification B: cartilage mode is the first step C: cartilage lacular will enter osteoblast and osteoclast D: bone remodeling only occurs in baby

下列哪些描述不是转录激活因子促进转录的机制（ ） A: 转录激活因子可以直接或者间接通过中介子与通用因子相互作用，帮助将通用因子和RNA聚合酶复合体招募到核心启动子 B: 招募组蛋白乙酰转移酶(Histone acetyl transferase), 解开染色质结构 C: 招募染色质重塑复合物 (Chromatin remodeling complexes) D: 招募组蛋白脱乙酰基酶 （Histone deacetylases）