Sieve Cell

... 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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... 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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... 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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... 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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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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