against a concentration gradient » 反对一个集中坡度 The information contained in this message may be privileged and confidential » 在此消息中包含的信息可能是特权和保密 ..
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полотно каркас: » 画布框: against a concentration gradient » 针对浓度梯度 level may be a relationship with our regular and » 一级可能是一个与我们关系经常和 ..
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The process does not require energy expenditure, and transport against a concentration gradient does not occur.
这种转运过程不消耗能量,也不会导致逆浓度梯度转运的发生。
Active transport The use of energy to move a solute across a membrane against a concentration gradient, a potential gradient, or both (electrochemical potential) . Uphill transport.
主动吸收:亦称代谢吸收。指细胞直接利用能量做功,逆着电化学势梯度吸收离子的过程。
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