A:细胞核是mRNA合成和加工的场所
B:溶酶体能合成多种酶,包括DNA水解酶
C:核孔是生物大分子可以选择进出的通道
D:细胞器在细胞质的分布与其细胞功能相适应
2006年1月4日起,湖北省神农架自然保护区核心景区实行为期81天的休游(停止接待游客),这是该景区开放13年以来首次休游。神农架自然保护区核心景区实行休游的主要原因是( )
综合性学习。
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Guitar lessons
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Taxi driver wanted
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Apartment(公寓) for sale
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Hot water 8:00-18:00.
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