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【多选题】
Why would a clone not be identical to the 'master copy'?
A.
They are totally different persons.
B.
The clone's cells, for example, would have energy-processing machinery that came from the egg, not from the person who was cloned.
C.
They have different genetic source.
D.
The clone’s cells can be productive.
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参考答案：
举一反三
【单选题】M: What happened to you? You are so late. W: The bus I took broke down in front of the hospital, and I had to walk from there. 21. Why was the woman so late?
A.
Something went wrong with the bus.
B.
She took somebody to hospital.
C.
She didn't catch the bus.
D.
She started too late.
查看完整题目与答案
【简答题】下图表示利用胚胎干细胞(ES细胞)所作的一系列研究，请据图分析回答： (1)过程Ⅰ将胚胎干细胞置于γ射线灭活的鼠胎儿成纤维细胞的饲养层上，并加入动物血清、抗生素等物质，维持细胞不分化的状态。在此过程中，饲养层提供干细胞增殖所需的___________，加入抗生素是为了____________________，这对于研究细胞分化和细胞凋亡的机理具有重要意义。 (2)过程Ⅱ将带有遗传标记的ES细胞注入...
查看完整题目与答案
【单选题】According to the passage, which of the following is a supposition rather than a fact concerning the queen in a naked mole rat colony?
A.
She is the largest member of the colony.
B.
She exerts chemical control over the colony.
C.
She mates with more than one male.
D.
She attains her status through aggression.
E.
She is the only breeding female.
查看完整题目与答案
【多选题】急性淋巴细胞白血病经诱导治疗达到 CR 后
A.
必须进行强化巩固和维持治疗
B.
需要注意中枢神经系统白血病的预防
C.
有条件者行造血干细胞移植
D.
可以继续观察
E.
Ph 染色体阳性者可继续口服 TKI 治疗
查看完整题目与答案
【单选题】M: What happened to you? You are so late W: The bus I took broke down in front of the hospital, and I had to walk from there Why was the woman so late?
A.
Something went wrong with the bus
B.
She took somebody to hospital
C.
She didn’t catch the bus
D.
She started too late
查看完整题目与答案
【单选题】Why was the woman able to give Laura so much information about the job?
A.
She is Prof. Nelson' s daughter.
B.
She works part-time as Prof. Nelson' s secretary.
C.
She used to do the job herself.
D.
She just came out of an interview for the job.
查看完整题目与答案
【单选题】Why was the old woman in the villege so excited
A.
Because Emily showed her a great treasure.
B.
Because Emily helped her win a big prize.
C.
Because Emily gave her an empty bottle.
D.
Because Emily gave her a bottle of wine.
查看完整题目与答案
【简答题】下图表示利用胚胎干细胞(ES细胞)所作的一系列研究，请据图分析回答： (1)过程Ⅰ将胚胎干细胞置于γ射线灭活的鼠胎儿成纤维细胞的饲养层上，并加入动物血清、抗生素等物质，维持细胞不分化的状态。在此过程中，饲养层提供干细胞增殖所需的__________，加入抗生素是为了__________，这对于研究细胞分化和细胞凋亡的机理具有重要意义。 (2)过程Ⅱ将带有遗传标记的ES细胞注入早期胚胎的囊胚腔，通过...
查看完整题目与答案
【多选题】关于藻类植物描述正确的是( )
A.
构造简单，无根茎叶分化
B.
多为单细胞、多细胞群体、丝状体、叶状体和枝状体等
C.
异养生物
D.
无胚植物
查看完整题目与答案
【单选题】Which of the following sentences is an opinion rather than a fact?
A.
Hundreds of occupational names are at once familiar to us.
B.
Blackand 'White' implied'dark' and 'fair' respectively.
C.
Vocational names carry with them a certain gravity and dignity.
D.
Every place in England has given its name to a family.
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相关题目：
【单选题】M: What happened to you? You are so late. W: The bus I took broke down in front of the hospital, and I had to walk from there. 21. Why was the woman so late?
A.
Something went wrong with the bus.
B.
She took somebody to hospital.
C.
She didn't catch the bus.
D.
She started too late.
查看完整题目与答案
【简答题】下图表示利用胚胎干细胞(ES细胞)所作的一系列研究，请据图分析回答： (1)过程Ⅰ将胚胎干细胞置于γ射线灭活的鼠胎儿成纤维细胞的饲养层上，并加入动物血清、抗生素等物质，维持细胞不分化的状态。在此过程中，饲养层提供干细胞增殖所需的___________，加入抗生素是为了____________________，这对于研究细胞分化和细胞凋亡的机理具有重要意义。 (2)过程Ⅱ将带有遗传标记的ES细胞注入...
查看完整题目与答案
【单选题】According to the passage, which of the following is a supposition rather than a fact concerning the queen in a naked mole rat colony?
A.
She is the largest member of the colony.
B.
She exerts chemical control over the colony.
C.
She mates with more than one male.
D.
She attains her status through aggression.
E.
She is the only breeding female.
查看完整题目与答案
【多选题】急性淋巴细胞白血病经诱导治疗达到 CR 后
A.
必须进行强化巩固和维持治疗
B.
需要注意中枢神经系统白血病的预防
C.
有条件者行造血干细胞移植
D.
可以继续观察
E.
Ph 染色体阳性者可继续口服 TKI 治疗
查看完整题目与答案
【单选题】M: What happened to you? You are so late W: The bus I took broke down in front of the hospital, and I had to walk from there Why was the woman so late?
A.
Something went wrong with the bus
B.
She took somebody to hospital
C.
She didn’t catch the bus
D.
She started too late
查看完整题目与答案
【单选题】Why was the woman able to give Laura so much information about the job?
A.
She is Prof. Nelson' s daughter.
B.
She works part-time as Prof. Nelson' s secretary.
C.
She used to do the job herself.
D.
She just came out of an interview for the job.
查看完整题目与答案
【单选题】Why was the old woman in the villege so excited
A.
Because Emily showed her a great treasure.
B.
Because Emily helped her win a big prize.
C.
Because Emily gave her an empty bottle.
D.
Because Emily gave her a bottle of wine.
查看完整题目与答案
【简答题】下图表示利用胚胎干细胞(ES细胞)所作的一系列研究，请据图分析回答： (1)过程Ⅰ将胚胎干细胞置于γ射线灭活的鼠胎儿成纤维细胞的饲养层上，并加入动物血清、抗生素等物质，维持细胞不分化的状态。在此过程中，饲养层提供干细胞增殖所需的__________，加入抗生素是为了__________，这对于研究细胞分化和细胞凋亡的机理具有重要意义。 (2)过程Ⅱ将带有遗传标记的ES细胞注入早期胚胎的囊胚腔，通过...
查看完整题目与答案
【多选题】关于藻类植物描述正确的是( )
A.
构造简单，无根茎叶分化
B.
多为单细胞、多细胞群体、丝状体、叶状体和枝状体等
C.
异养生物
D.
无胚植物
查看完整题目与答案
【单选题】Which of the following sentences is an opinion rather than a fact?
A.
Hundreds of occupational names are at once familiar to us.
B.
Blackand 'White' implied'dark' and 'fair' respectively.
C.
Vocational names carry with them a certain gravity and dignity.
D.
Every place in England has given its name to a family.
查看完整题目与答案
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