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Phloem

Phloem

(Science: plant biology) tissue forming part of the plant vascular system, responsible for the transport of organic materials, especially sucrose, from the leaves to the rest of the plant. Consists of sieve tubes, companion cells, fibre cells and parenchyma. (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes.A [[tissue Involved in transport within a plant, characterised by the present of [[sieve Tubes and companion cells. [[Phloems are situated in the [[vascular Bundles, and are responsible for the transportation of organic substances across the plant.


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Testing for glucose in the water which leaf is in?

You'd have to cut the phloem but the glucose concentration at a leaf doesn't indicate photosynthesis activity.

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by mith
Sat May 02, 2009 5:16 am
 
Forum: Botany Discussion
Topic: Testing for glucose in the water which leaf is in?
Replies: 8
Views: 371

Transport In Plants

I remember observing a cross section of a corn old stem, xylem vessels are larger than phloem vessels.

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by mcar
Sun Feb 08, 2009 11:57 am
 
Forum: Botany Discussion
Topic: Transport In Plants
Replies: 2
Views: 659

Transport In Plants

What are the structural differences between the xylem vessel and the phloem tissue? How are the structures of both, related to their respective functions? These are two question i've been working on but I'm not sure If I have the right idea. Can anyone help ...

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by rightbraindominant
Wed Jan 28, 2009 12:13 am
 
Forum: Botany Discussion
Topic: Transport In Plants
Replies: 2
Views: 659

Plant Vasculature

I was wondering how the phloem of a plant is interconnected with the cells. I'm try to understand how a virus is transported to distant areas of a plant.

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by stonny
Thu Jan 22, 2009 10:24 pm
 
Forum: Botany Discussion
Topic: Plant Vasculature
Replies: 1
Views: 604

Re: Discuss the importance of transportation systems in stems.

... forward questions. Hints: If you had no transportation systems in stems, than how would the plant get all of its nutrients? Look up xylem and phloem. Look up stomata cells in leaves, they are the control centers of what is absorbed by the leaf tissue and what is expelled. Look up all the tissues ...

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by Darwin420
Sun Nov 30, 2008 10:51 pm
 
Forum: Botany Discussion
Topic: Discuss the importance of transportation systems in stems.
Replies: 4
Views: 1244
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