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Guard cells

Guard cell

(Science: plant biology) plant cells occurring in pairs in the epidermis, flanking each stoma. Changes in turgor in the guard cells cause the stoma to open and close. A pair of cells found on each side of a stomatal opening, which has properties enabling the contraction and expansion of the stomatal pore.


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Cuticle, spores, vascular, plant evolution

... on the plant to enable easier gas exchange they eventually developed guard cells around the pores. vascular system: a method of coping against gravity so nutrients and ...

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by Klarien
Wed Feb 15, 2012 9:27 am
 
Forum: Botany Discussion
Topic: Cuticle, spores, vascular, plant evolution
Replies: 1
Views: 2525

Guard cells

and guard cells guard stomata, don't they?

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by JackBean
Tue Jan 04, 2011 4:52 pm
 
Forum: Botany Discussion
Topic: Guard cells
Replies: 5
Views: 4709

Guard cells

Speaking of guard cells...I had some questions. The water that moves in or out of the guard cells when opening or closing has nothing ...

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by leftventricle
Sun Jan 02, 2011 1:03 pm
 
Forum: Botany Discussion
Topic: Guard cells
Replies: 5
Views: 4709

What are delocalized electrons?

Also I was reading the textbook and it said that guard cells are photosynthetic epidermal cells...does that mean there is chloroplasts/chlorophyll found ...

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by leftventricle
Sun Jan 02, 2011 9:15 am
 
Forum: Botany Discussion
Topic: What are delocalized electrons?
Replies: 5
Views: 4217

Possible Cure for Cancer

... be to engineer our own immune system to seek and destroy the cancerous cells. Wonder if it would be the innate or the adaptive immune system that ... went off thinking again. . . . Also, the immune system could then be on guard for any of those pesky lurking cancer cells that are hiding in the ...

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by kolean
Wed Dec 22, 2010 1:20 am
 
Forum: General Discussion
Topic: Possible Cure for Cancer
Replies: 15
Views: 9085
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