【单选题】He then moved to London, _____ he became famous.
【单选题】现象之间相互依存关系的程度越低,则相关系数( )
【单选题】跨越民族国家、形成一体化的最大阻力来自于以下哪一方面?
【单选题】Which organelle does not contain the cell's genetic material?
【单选题】现象之间相互依存关系的程度越低,则相关系数越()。
【单选题】以下民事诉讼的参与主体中,属于民事诉讼主体的有( )
【简答题】简述皮亚杰感知运动阶段儿童心理活动规律。
【单选题】Which statement does NOT describe a strategy used by multicellular animals to maintain osmotic balance with their surroundings?
A.
Cells have a contractile vacuole, an organelle that pumps water out of the cell.
B.
Animals have a high concentration of albumin and other proteins in blood plasma.
C.
Cells actively pump out Na + and other ions.
D.
Cells store fuel as a polysaccharide instead of as simple sugars.
E.
All of the statements describe a strategy to maintain osmotic balance.
【单选题】Which organelle does not belong to the endomembrane system?