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Biology 7 Online
OpenStudy (fifib):

TWO OPTIONS. HELP? Which of the following is an aspect of a concurrent exchange system? A. Passive movement induced by a concentration gradient B. Parallel movement induced by a concentration gradient

OpenStudy (aaronq):

What's parallel movement? i don't think that's even a real term

OpenStudy (fifib):

I was going to go with A cause parallel is supposed to be for co-current ( I looked that up )

OpenStudy (aaronq):

hm i too think it's A. co-current as in countercurrent?

OpenStudy (aaronq):

or sorry, does that mean? |dw:1460669622567:dw|

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