皮皮学，免费搜题
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搜题
【单选题】
肺结核的主要传染途径是A.
呼吸道飞沫传播
B.
消化道传播
C.
皮肤传播
D.
血液传播
E.
胎盘传播
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】钠泵的化学本质是 ,其作用是将细胞外液中的 离子逆浓度差转运到细胞内液中,同时将细胞内液中的 离子逆浓度差转运到细胞外液中。
【单选题】Considering the strengths and weaknesses of molecular data, what could one NOT argue to be true?
A.
Molecular methods can be used in all organisms since they all have proteins and DNA.
B.
Molecular data are not easily quantifiable, making analysis somewhat subjective.
C.
Molecular methods can access a large amount of data.
D.
Molecular data can provide direct information on the process of evolution.
E.
Molecular variation is clear and interpretable, even if the relationship between some traits and their underlying genes is complex.