问题
单项选择题
关于钙泵,下列哪些叙述有误()
A.钙泵可维持细胞内外的钙离子梯
B.钙泵的本质是ATP酶
C.钙泵可将肌浆网中的Ca2+离子泵入胞质中
D.钙泵能主动的将Ca2+转运到细胞外
E.钙泵的化学本质是膜蛋白
答案
参考答案:C
关于钙泵,下列哪些叙述有误()
A.钙泵可维持细胞内外的钙离子梯
B.钙泵的本质是ATP酶
C.钙泵可将肌浆网中的Ca2+离子泵入胞质中
D.钙泵能主动的将Ca2+转运到细胞外
E.钙泵的化学本质是膜蛋白
参考答案:C
请阅读下列学位申请者的信息,从A、B、C、D、E和F 6个国家中为每位中请者选出最合适的留学国家,选项中有一项是多余选项。(注意:请将答案涂于答题卡上) 阅读下列应用文及相关信息,并按照要求匹配信息。请在答题卡上将对应题号的相应选项字母涂黑。首先请阅读下列警方通报查找人员的信息:
小题1:A valuable dog was taken while being walked by its owner in City Park yesterday afternoon. Police wish to talk to a man seen nearby at the time, described by witnesses as short and fat with short light hair and clear glasses. 小题2:Yesterday morning at 9.30a.m. a man armed with a gun entered the National Bank and demanded money from the staff, before fleeing when confronted by bank security staff. Security cameras show the man as being short and thin with shoulder length blonde hair. 小题3:A tall, strong built man with blonde hair, a thick black moustache and wearing dark glasses knocked a woman to the ground and stole her purse on Main Street last Saturday afternoon. If you see this man, do not approach as he is considered extremely dangerous. 小题4:At the football match between Manchester United and Liverpool, several people had their wallets stolen while waiting in line to buy food. The victims did not see or notice the thief but bystanders describe him as very tall and thin, clean shaven with short light hair. 小题5:A car was stolen from the supermarket car park on Friday, June 23 this year by a man described as very young, 1.7 meters tall with thin dark hair and carrying a blue backpack. A reward of $500 is offered for the car’s recovery. |