Dictionary » S » Stomata


(noun) Plural form of stoma.

See stoma for definition and additional information.

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Roots respiration

In plants through stomata exchange of gases occur and the stem respire through lenticels.Then how do roots respire. How does exchange of gases takes place through roots?

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by kumar985
Fri Jun 28, 2013 3:42 pm
Forum: Botany Discussion
Topic: Roots respiration
Replies: 1
Views: 852

Monocot leaf cross section

... this one? http://www.lima.ohio-state.edu/biology/images/zealeaf2.jpg Since monocot leaves don't have palisade tissue, and have stomata on both side, I'm wondering if the answer lies in finding the phloem? Thanks!

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by johntdlemon
Tue Nov 13, 2012 2:46 am
Forum: Botany Discussion
Topic: Monocot leaf cross section
Replies: 1
Views: 2363

plant physiology- heat stress

... protein levels, amounts of low-weight compounds (e.g. signaling molecules) physiological level - what the plant does as a whole (growth, stomata etc.)

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by JackBean
Mon Nov 12, 2012 8:24 am
Forum: Botany Discussion
Topic: plant physiology- heat stress
Replies: 6
Views: 2715

Re: Transpiration Please help Me

Transpiration is a passive process. What has not being taken into account is the primary reason why the stomata open and close. Stomata open and close to allow gas exchange for photosynthesis to occur. It lets carbon dioxide into the plant and oxygen out of the plant. Carbon ...

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by daddyjames
Sun Oct 14, 2012 2:34 pm
Forum: Botany Discussion
Topic: Transpiration Please help Me
Replies: 29
Views: 25307

Re: C3 and C4 plants

Nice information sharing!! Well to tell you that whether C4 plants save water more than C3 plants, then the answer may be YES! and After Stomata closure, exchange of CO2 is stopped (not the water conc decreases). It is the reduced level of CO2 which become rate limiting than water in case ...

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by Misteryunveiled
Tue Sep 18, 2012 2:56 pm
Forum: Botany Discussion
Topic: C3 and C4 plants
Replies: 38
Views: 334210
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