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Tropism

An involuntary orienting response; positive or negative reaction to a stimulus source.


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Re:

... for different cell tpyes/ environmental stimuli? :D TY TY Btw , when a plant responds to an environmental stimulus, what is this action called? A: Tropism. And what are the 2 ways in which the plant respond to a stimulus: Negative and positive.

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by duherro
Mon May 07, 2012 2:07 pm
 
Forum: Botany Discussion
Topic: Plant hormone experiment!
Replies: 17
Views: 6630

Re: How can the following plant movements be categorized?

Solar tracking leaves (Hehe, pun) out many of the other mechanisms like gravity, turgor pressure and thigmo tropism . Theres a few things to look up.

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by MichaelXY
Wed Oct 29, 2008 2:19 am
 
Forum: Botany Discussion
Topic: How can the following plant movements be categorized?
Replies: 2
Views: 3073

Negative gravitropism

... the moment I'm separated from my textbooks, so can anyone tell me why this happens? http://plantsinmotion.bio.indiana.edu/plantmotion/movements/tropism/tropisms.html Edit - this is also evident in the Arabidopsis negative gravitropism video.

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by 45561
Sun Jun 03, 2007 7:32 pm
 
Forum: Botany Discussion
Topic: Negative gravitropism
Replies: 1
Views: 4377

The Fiber Disease

... Attempts to rectify this deficiency of Ad vectors have been rationalized by the identification of the molecular determi- nants of the virus tropism. A typical Ad capsid is an icosahe- dron, whose planes are formed by the Ad hexon protein, whereas the vertices are occupied by a penton assembly ...

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by Nadas Moksha
Fri Dec 15, 2006 1:23 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4988470

The Fiber Disease

... mycosis is currently on the rise due to the development of major immunosuppressive treatments. Brain aspergillosis is noteworthy for its vascular tropism, leading to infectious cerebral vasculitis, mainly involving thalamoperforating and lenticulostriate arteries, with a high frequency of thalamic ...

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by Nadas Moksha
Mon Nov 27, 2006 6:29 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4988470
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