【判断题】【消耗次数：1】
佝偻病、高钙血症、手足抽搐是缺乏矿物质钙钙质。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
佝偻病的发生是由于缺乏（ ）．
①
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②
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③
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④
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随机题目
【单选题】
坚决维护党中央权威和集中统一领导，把党的领导落实到党和国家事业各领域各方面各环节，使党始终成为风雨来袭时全体人民最可靠的()。
①
A.主心骨
②
B.依靠
③
C.支柱
④
D.力量
【单选题】
增强全党全国各族人民的志气、骨气、底气，不信邪、()、不怕压，知难而进、迎难而上，统筹发展和安全，全力战胜前进道路上各种困难和挑战，依靠顽强斗争打开事业发展新天地。
①
A.不怕邪
②
B.不怕鬼
③
C.不信鬼
④
D.不畏难
【多选题】
以下那种反应消耗的能量相当于2个ATP().
①
A.脂肪酸活化生成酯酰CoA?
②
B.氨基酸活化生成氨酰tRNA
③
C.葡萄糖活化生成糖核苷酸
④
D.甘油活化生成磷酸甘油
【多选题】
作为分子克隆的载体，一般应具备那些条件().
①
A.在合适的位置具有至少一个多克隆位点，供外源DNA插入以形成重组体分子
②
B.克隆载体能携带外源DNA片段进入受体细胞，或停留在细胞质中能自我复制，或整合到染色体DNA上随染色体DNA的复制一起被复制
③
C.克隆载体必须具有用于选择克隆子的标记基因
④
D.克隆载体必须是安全的，不应含有对受体细胞有害的基因，并且不会任意转入受体细胞以外的其他生物细胞，尤其是人的细胞