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Sieve Cell

See [[sieve tube.


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Transport In Plants

... Xylem exists as non-living tissue at maturity, but phloem is living cells. Xylem: Hard wall cells transport water and mineral nutrients Phloem: ... the secondary phloem in Pinus. Am. J. Bot. 55, 518-528.) It consists of sieve cells , sieve tube elements , phloem parenchyma and phloem fibres. ...

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by kika
Tue Aug 02, 2011 10:40 am
 
Forum: Botany Discussion
Topic: Transport In Plants
Replies: 3
Views: 10443

Re: water movement in xylem

... the plant. It does the same thing with sugar. Water enters the plant's sieve-tubes and transports the sugar throughout the plant body . The tracheids, vessel elements, and sieve-cells are all lines with pits and have perforations and open discs for transport. Xylem ...

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by Ariamezzo
Sat Feb 26, 2011 11:46 am
 
Forum: Botany Discussion
Topic: water movement in xylem
Replies: 2
Views: 7208

epiphytic algae

... bind specifically to lignin which will help you differentiate plant cell from the fungus and most of algae. O wait, here is your lucky day I ... across in these scrapings you could try separating based by size (i.e. sieve out organisms based on size. If you do this it will probably be easier ...

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by Darwin420
Mon Dec 14, 2009 5:31 am
 
Forum: Microbiology
Topic: epiphytic algae
Replies: 3
Views: 4578

Is There A Living Thing With NO CELLS?

... i think we came to a similar conclusion a while back. About the RBC and sieve tube element, I guess I said all I have to say. If you don't consider ... we'll agree to disagree. BTW, could platelets do as a dead functioning cell? Cause they are not cells, but they are dead and functioning..

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by MrMistery
Tue Mar 04, 2008 10:25 am
 
Forum: General Discussion
Topic: Is There A Living Thing With NO CELLS?
Replies: 33
Views: 12926

Is There A Living Thing With NO CELLS?

Genetic material is a prerequisite of life, but a cell can nevertheless be alive without genetic material. Take the case of a sieve tube element if you don't like RBC: the adjacent cell gives it all the proteins needed to survive ...

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by MrMistery
Mon Mar 03, 2008 5:10 pm
 
Forum: General Discussion
Topic: Is There A Living Thing With NO CELLS?
Replies: 33
Views: 12926
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