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Dictionary » R » Roots

Roots

root sheath

One of the epidermic layers of the hair follicle: external root sheath is continuous with the stratum basale and stratum spinosum of the epidermis; internal root sheath comprises the cuticle of the internal roots, huxley's layer, and henle's layer.


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Transpiration and Photosynthesis.

... water to happen. The water is photolysed (split apart) using the energy gained from sunlight, which will draw more up through the xylem from the roots. However more significantly for photosynthesis to take place there needs to be gas exchange through the stomatal pores predominantly found on ...

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by Babybel56
Fri Mar 14, 2014 4:07 am
 
Forum: Botany Discussion
Topic: Transpiration and Photosynthesis.
Replies: 3
Views: 222

Why does the floem gets affected when the bark gets damaged?

... destroing also the phloem. However, phloem doesn't transport nutrients (and it definitely doesn't transport glucose) from leaves only to the roots. In reality, very young leaves function as sink instead of source: http://www.scri.ac.uk/scri/file/annualreports/1999/08SINKSO.PDF

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by JackBean
Fri Feb 28, 2014 3:15 pm
 
Forum: Botany Discussion
Topic: Why does the floem gets affected when the bark gets damaged?
Replies: 2
Views: 233

Why does the floem gets affected when the bark gets damaged?

... If you take off the bark, you are likely to damage the phloem as well. The phloem transport glucose from where it is produced (the leaves) to the roots so they can continue to grow.

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by Babybel56
Fri Feb 28, 2014 9:27 am
 
Forum: Botany Discussion
Topic: Why does the floem gets affected when the bark gets damaged?
Replies: 2
Views: 233

DNA changes?

... so the thing is: I get very dark brown hair one year, the next year its piping red and then the other year,yes its blonde. :!: It's like my roots? cant decide what colour they should stick with! Same goes with my eyes and my skin.. one year I tan and become very dark, while next year I literally ...

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by alilina
Fri Feb 14, 2014 11:52 pm
 
Forum: Genetics
Topic: DNA changes?
Replies: 3
Views: 383

Why does the floem gets affected when the bark gets damaged?

... somehow gets ruined, the plant will eventually die. She said that the floem gets damaged and therefore the glucose cannot be transported to the roots. My problem is that I do not really understand why the floem gets affected when the bark gets ruined (by for example a badger). So, I will be ...

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by finalfantasy
Fri Jan 31, 2014 3:59 pm
 
Forum: Botany Discussion
Topic: Why does the floem gets affected when the bark gets damaged?
Replies: 2
Views: 233
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