【单选题】关于钠泵生理作用,错误的描述是
A.
钠泵能逆浓度差将进入到细胞内的Na + 移出细胞外
B.
钠泵能顺着浓度差使细胞外的K + 移入细胞内
C.
钠泵每分解1分子ATP可排出3个Na + ,转入2个K +
D.
钠泵活动造成细胞内高K + ,使许多生理活动得以进行
【单选题】按创业方向或风险不同 , 创业可分为依附型创业、尾随型创业、独创型创业和 。
【判断题】钠泵的作用是逆电化学梯度将Na+运出细胞,并将K+运入细胞 本题为判断题,请判断对与错,谢谢!
【简答题】钠泵的作用是 ,把细胞外液中的 移入膜内,把细胞内液中的 移到细胞膜外。
【单选题】患儿,4个月,维生素D缺乏性佝偻病多见的骨骼改变是()
【单选题】What does fossil and molecular evidence tell us about our earliest ancestors?
A.
They experienced more climate changes than we do today.
B.
They were forced to travel between food patches.
C.
They were much taller than modern man.
D.
They could cover more ground with less energy.