How can protein carriers change shape in facilitated diffusion with no ATP

Subject: How can protein carriers change shape in facilitated diffusion with no ATP

Date: Wed Oct 28 13:27:04 2009
Posted by STEPHEN
Grade level: teacher/prof School: CHITTENANGO HIGH SCHOOL
City: CHITTENANGO State/Province: N.Y. Country: U.S.A.
Area of science: Cell Biology
ID: 1256761624.Cb

Message:


During facilitated diffusion the protein carrier molecule changes shape to help
a specific molecule (ex. glucose) move down the concentration gradient.  How is
this shape change possible without ATP ?

Re: How can protein carriers change shape in facilitated diffusion with no ATP

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