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Q: Biology class ( No Answer,   1 Comment )
Question  
Subject: Biology class
Category: Science > Biology
Asked by: wengerda-ga
List Price: $2.00
Posted: 04 Apr 2005 13:34 PDT
Expires: 05 Apr 2005 12:47 PDT
Question ID: 504848
Under what circumstances is active transport, rather than passive
transport, across membranes utilized?
Answer  
There is no answer at this time.

Comments  
Subject: Re: Biology class
From: dops-ga on 05 Apr 2005 12:05 PDT
 
When it is against a concentration gradient.

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