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Re: [OM] (OT) help phototropism

Subject: Re: [OM] (OT) help phototropism
From: Acer V <waltherppk@xxxxxxxxxxxxx>
Date: Fri, 04 May 2001 14:38:55 -0700
5/3/01 10:41:16 AM, "e.g." <eg4b@xxxxxxxxxxxx> wrote:

>It happens because the area not exposed to sun grows faster than the 
>sun-facing side.
>
>(I remember my 6th grade teacher saying they don't know why this happens, 
>then last year I got this explanation from an aquarium newslist. I was so 
>happy.)

really? i thought it was because the plant /wants/ to grow. that is, the 
differential growth rate is not cause by differential 
lighting (but from a chemical reaction that /reduces/ growth on one side to get 
/more/ sunlight). i dunno, it's been 
almost a year from my upper-division botany class...


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