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Topic: Cell sap

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	sap. The Columbia Encyclopedia, Sixth Edition. 2001-05
		Cell sap refers to this fluid present in the large vacuole, or cell cavity, that occupies most of the central portion of mature plant cells.
		The term sap is generally applied to all the fluid that travels through the vascular tissues (xylem and phloem) of higher plants.
		Sap ascends at a rate of from 1 to 4 ft (30–122 cm) per hr; in the coast redwood it rises easily to a height of almost 400 ft (120 m).
	www.bartleby.com /65/sa/sap.html (362 words)

	cell sap - Hutchinson encyclopedia article about cell sap (Site not responding. Last check: 2007-10-23)
		Dilute fluid found in the large central vacuole of many plant cells.
		The sap has many functions, including storage of useful materials, and provides mechanical support for non-woody plants.
		This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.
	encyclopedia.farlex.com /cell+sap (101 words)

	SAP \| TutorGig.co.uk Encyclopedia (Site not responding. Last check: 2007-10-23)
		Sap is wiktionarypar sap tree sap A small, blunt object used as a weapon, often constructed from a bag...
		Cell sap is a dilute fluid that is found in the large central vacuole of many plant cell biology cells.
		Sap green is a green pigment which was traditionally made of unripe flthorn sloe berries, but these days is usually made from a blend of artificial pigments.
	www.tutorgig.co.uk /encyclopedia/sencyclo.jsp?keywords=SAP (466 words)

	Cells
		Cell wall prevents the cell from being ruptured due to enlargement from water intake by vacuole.
		Cell walls may have two or more layers and may vary in thickness depending on their role in the plant.
		Growth of cell wall is poorly understood but requires loosening of wall structure which is regulated by hormones, and an increase in protein synthesis, respiration and water uptake.
	arnica.csustan.edu /boty1050/Cells/cells.htm (1214 words)

	Basic about cells
		A cell has two main parts: Cytoplasm which forms the main mass of the cell; and the nucleus, a small ball of protoplasm usually near the center of the cell.
		It is essential in cell reproduction and it governs the functions of the rest of the cell.
		Conclusion: The cell is the smallest structural unit of an organism that is capable of independent functioning, consisting of one or more nuclei, cytoplasm, and various organelles, all surrounded by a semipermeable cell membrane.
	www.icla.org /Leukemia/Cells/Cells.htm (1431 words)

	[No title] (Site not responding. Last check: 2007-10-23)
		SAP DNA sequence into a plasmid expression vector to transfect cells is a useful method to test the proteins influence on various cellular biochemical parameters including the identification of substrates as well as activators and inhibitors of the phosphatase.
		Cells, tissues, and non-human animals lacking in expression or partially lacking in expression of the protein may be developed using recombinant molecules of the invention having specific deletion or insertion mutations in the nucleic acid molecule of the invention.
		Such a mutant cell, tissue or animal may be used to define specific cell populations, developmental patterns and in vivo processes, normally dependent on the protein encoded by the nucleic acid molecule of the invention.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/51509.010719&ELEMENT_SET=DECL (11443 words)

	How do non woody plants stay upright?
		If plant cells are placed in a solution which has a weaker solute concentration than the cell sap, then water enters the cell vacuole by osmosis.
		If however, plant cells are surrounded by a solution with a stronger solute concentration than the cell sap, then the vacuole loses water and as a result there is no hydrostatic pressure acting against the cell wall, such cells are said to be flaccid or plasmolysed.
		The cell walls of collenchyma cells are rich in pectic substances; fibrils within the cell wall are arranged such that the cell wall has great plasticity, letting the cells to deform without damage and so allowing the stem to bend without breaking.
	www.microscopy-uk.org.uk /mag/artoct99/plantupright.html (881 words)

	Cold-acclimation and root temperature protection from chilling injury in chilling-sensitive mungbean (Vigna radiata L.) ...
		Cell sap was obtained from frozen and thawed leaf discs as described by Zudo et al.
		The conductivity of electrolyte leakage in the cell sap from leaf discs was used as a measure parameter of chilling injury (Sukumaran and Weiser, 1972).
		Water potential, osmotic potential in the cell sap and conductivity of the cell leakage from leaf discs were measured.
	ejournal.sinica.edu.tw /bbas/content/2001/1/bot421-08.html (3348 words)

	Induction of Apoptosis by Stomach Cancer-associated Protein-tyrosine Phosphatase-1 -- Takada et al. 277 (37): 34359 -- ...
		Cell lysates were also subjected to immunoblot analysis with antibodies to SAP-1 to determine the amount of each recombinant SAP-1 protein.
		B, the active form of Ras in cells infected with adenoviruses as in A was precipitated with a GST fusion protein containing the Ras-binding domain of c-Raf-1 and then subjected to immunoblot analysis with a mAb to Ha-Ras (upper panel).
		SAP-1 appears to induce apoptotic cell death by at least two distinct mechanisms: inhibition of cell survival signaling mediated by PI 3-kinase, Akt, and ILK and activation of a proapoptotic pathway possibly involving Bcl-2 family proteins such as Bim and Bmf.
	www.jbc.org /cgi/content/full/277/37/34359 (5064 words)

	Cell structure and specialisation
		Animal cells seem simpler to study than plant cells, because they are not made up of so many parts.
		The cell membrane (plasma membrane) is a very thin, flexible and rather elastic layer around the outside of the cell.
		Because it has a vacuole, the cytoplasm in a plant cell is usually pushed to the outside of the cell, so that it forms a thin layer inside the cell wall.
	www.biotopics.co.uk /life/cells.html (1186 words)

	Cell Division
		Eukaryotic organisms posses the nucleus and cell organelles.
		Cell wall is the rigid structure that surrounds the plant cell.
		The protoplast is the living portion of the cell and consists of the nucleus and the cytoplasm.
	carroll1.cc.edu /~jclausz/botany/CellStructure.html (1089 words)

	The Cell
		In this chapter you will learn about cells, their structure, their types and sizes, how cells communicate with each other, and how they divide.
		This allow a botanist to examine the cells of a plant to study the structure and function of microscopic components of a plant.
		Increase in surface area of a spherical cell is equal to the square of its increase in diameter, but its increase in volume is equal to the cube of its increase in diameter.
	academic.kellogg.edu /herbrandsonc/bio111/cell.htm (840 words)

	Plant Cell (Site not responding. Last check: 2007-10-23)
		Plant cells have many parts that are all important to their functions within a plant.
		Cell sap also consists of ions such as calcium, sodium, and chloride.
		The cell wall is rigid and limits the size of the cell's internal components.
	crystal.uah.edu /~carter/osmosis/plntcell.htm (290 words)

	Search Results for "sap"
		Most saprophytes do not produce chlorophyll and therefore do not photosynthesize; they are thus dependent on the food energy they absorb...
		Their life cycle is complex; one species is known to pass through 21 different...
		Allegany co., Md. A Native American fighter, he was accused by Thomas Jefferson and others of massacring the family of the friendly...
	www.bartleby.com /cgi-bin/texis/webinator/65search?search_type=full&query=sap (295 words)

	PH OF CELL SAP AND VACUOLAR PH DURING SENESCENCE OF THE ROSE PETAL
		The pH of cell sap (extracted using the freeze-thaw method) is generally assimilated to vacuolar pH since the vacuole occupies more than 90 % of cell volume.
		It was observed that during senescence of the petal the relatively acidic pH of vacuolar sap, unlike that of cell sap, fell slowly.
		The contrary evolution of cell sap pH and vacuolar pH is discussed in the light of the results obtained.
	www.actahort.org /books/298/298_14.htm (242 words)

	OSMOSIS
		The cell sap has a lower osmotic pressure than the surrounding fluid (is hypotonic to the surrounding fluid).
		The cell sap osmotic pressure is equal to the osmotic pressure of the surrounding fluid (isotonic)
		The water from the cell sap will pass through the semi permeable membrane of the cell to the surrounding fluid by osmosis and will form a uniform mixture with the solution level in the cell being less than in the surrounding fluid.
	library.thinkquest.org /C0118022/osmosis.htm (1060 words)

	Option Activity Watch: Cell Therapeutics, SAP, and Lowe's Companies
		Should any of those who adore SAP decide to change their mind, a bit of a push to the pessimistic side could be seen.
		Technically, SAP is headed toward a crash course with its descending 10-week moving average.
		It appears that SAP is headed toward a repeat of its action in the last week of July, when double-barreled resistance from its descending 10-week trendline and the 40 level sent the stock free-falling to the 36 level.
	www.schaeffersresearch.com /commentary/observations.aspx?ID=12542 (1499 words)

	cell sap
		cell sap Water and dissolved substances, sugar, amino acids, waste substances, etc., in the plant cell vacuole.(From Glossary of Biotechnology for Food and Agriculture)
		It seems that what determine a plant's ability to survive cold are the levels of sugar and proteins in the cell sap and the permeability of the membrane...
		Mealy bugs are sucking insects and they damage plants by feeding on their juices or cell sap, thus stunting their growth and deforming the leaves (or fruits).
	www.mongabay.com /igapo/biotech/cell_sap.html (104 words)

	Inhibition of Cell Growth and Spreading by Stomach Cancer-associated Protein-tyrosine Phosphatase-1 (SAP-1) through ...
		Whole cell lysates were prepared and subjected to immunoprecipitation with mAb 12CA5 to the HA tag, and the resulting precipitates were subjected to immunoblot analysis with antibodies specific for tyrosine-phosphorylated ERK (top left panels).
		The cell lysates were also subjected to immunoblot analysis with antibodies to SAP-1 to determine the amount of each recombinant SAP-1 protein (left bottom panels).
		A, confluent monolayers of CHO-SAP-1WT or WiDr cells were maintained adherent (Ad), or the cells were detached from the culture dish and maintained in suspension for 0-60 min in normal growth medium at 37 °C. Cell lysates were then prepared, normalized for protein concentration, and subjected to immunoprecipitation with mAb 3G5 to SAP-1.
	www.jbc.org /cgi/content/full/276/18/15216 (5893 words)

	Vacuoles
		Vacuoles are seldom prominent features in animal cells and are normally confined to simple animal forms where they are observed as small contractile vacuoles.
		In plant cells vacuoles may occupy 80% or more of the volume of the cell.
		Vacuoles are cavities in the cytoplasm (especially in plant cells) surrounded by a cytoplasmic membrane, the tonoplast, and filled with a watery fluid called the cell sap.
	www.botany.uwc.ac.za /sci_ed/grade10/cells/vacuoles.htm (213 words)

	Essay or Coursework : To find out the concentration of cell sap within the vacuole of a potato cell.
		Osmosis is the net movement of water from a dilute to a strong solution via a partially permeable membrane against the concentration gradient until equilibrium is reached.
		The water moves into the vacuole as which is the part that contains cell sap (a salty/sugary solution).
		When the cell takes in water the vacuole increases in size, which pushes the cytoplasm into the cell membrane, which in turn pushes, the cell membrane into the cell wall.
	www.coursework.info /i/1808.html (339 words)

	High Aluminum Resistance in Buckwheat . II. Oxalic Acid Detoxifies Aluminum Internally -- Ma et al. 117 (3): 753 -- ...
		HPLC profile of ligands in the Al complex in the crude and purified cell sap of buckwheat leaves on an ion-exclusion column.
		The cell sap from the leaves was purified by molecular-sieve chromatography (Sephadex G-10).
		Effect of the purified cell sap of buckwheat leaves on the root elongation of corn.
	www.plantphysiol.org /cgi/content/full/117/3/753 (3739 words)

	Stonewort (Nitella, Characeae)
		Cyclosis is confined to the inner layer of the protoplasm.
		This movement also transports the cell sap together with ist inclusions.
		By focusing through the cell the wall lining on the underside with ist chloroplasts is visible.
	www.cells.de /cellseng/1medienarchiv/Zellfunktionen/Motilitaet/Protoplasmastroemung/Armleuchteralge/index.jsp (173 words)

	Regulation of natural cytotoxicity by the adaptor SAP and the Src-related kinase Fyn -- Bloch-Queyrat et al. 202 (1): ...
		in the peritoneal cavity by NK cells (not depicted and Fig.
		An aliquot of the cell mixture was kept in culture for 6 h (noninjected).
		Mice deficient in the X-linked lymphoproliferative disease gene sap exhibit increased susceptibility to murine gammaherpesvirus-68 and hypo-gammaglobulinemia.
	www.jem.org /cgi/content/full/202/1/181 (6650 words)

	The role of SAP in murine CD150 (SLAM)-mediated T-cell proliferation and interferon gamma production -- Howie et al. ...
		SAP is likely a pivotal signaling molecule for the 6 members of the SLAM family of receptors.
		Although CD150 and SAP associate in T cells, the role of the CD150/SAP signaling pathway in T-cell costimulation is unknown.
		Cells were preactivated as described in panel A before treatment with IgG for 10 minutes (negative control), 2C11 for 10 minutes (positive control), or 9D1 (all antibodies used at 10 µg/mL) for the indicated time points.
	www.bloodjournal.org /cgi/content/full/100/8/2899 (5583 words)

	Cell surface receptors Ly-9 and CD84 recruit the X-linked lymphoproliferative disease gene product SAP -- Sayós ...
		BALB/c mice with 300.19 murine cells stably transfected with full-length
		COS-7 cells were transfected with the indicated constructs, and 48 hours later cell surface proteins were biotinylated, cells were lysed, and Ly-9 was immunoprecipitated as described in "Materials and methods." Immunoprecipitates and whole-cell lysates were run on SDS-PAGE and transferred to PVDF.
		COS-7 cells were transfected with the indicated constructs, and 48 hours later cell surface proteins were biotinylated, cells were lysed, and CD84 immunoprecipitated as described in "Materials and methods." Immunoprecipitates and whole-cell lysates were run on SDS-PAGE and transferred to PVDF.
	www.bloodjournal.org /cgi/content/full/97/12/3867 (6582 words)

	Celebrate Cells WebQuest 2001
		Cells are the basic building blocks for biotic substances.
		Cells Alive - Select Plant Cell in the menu to start and don't stop until you've toured the plant, animal, and bacterium cell.
		Cells are microscopic and most can only be seen through the use of a microscope.
	can-do.com /uci/ssi2001/cells.html (769 words)

	Essay or Coursework : Investigating the concentration of cell sap in potatoes
		Essay or Coursework : Investigating the concentration of cell sap in potatoes
		Investigating the concentration of cell sap in potatoes
		The cell wall of a plant cell is semi permeable.
	www.coursework.info /i/14528.html (297 words)

	[No title] (Site not responding. Last check: 2007-10-23)
		Vacuoles in animal cells are considerably smaller than those in plant cells.
		Vacuoles in animal cells can form when the cell membrane surrounds a material and pinches off to bring the substance inside the cell.
		The cell sap vacuole in plants is much larger than animals.
	projects.edtech.sandi.net /miramesa/Organelles/vacuole.html (205 words)

	Phloem sap proteins from Cucurbita maxima and Ricinus communis have the capacity to traffic cell to cell ...
		Phloem sap proteins from Cucurbita maxima and Ricinus communis have the capacity to traffic cell to cell through plasmodesmata -- Balachandran et al.
		Phloem exudate (sap) was obtained from cut stems of 2-month-old cucurbit plants.
		The ability of PP2 N- and C-terminal deletion mutants to move cell to cell was also examined (Table 3).
	www.pnas.org /cgi/content/full/94/25/14150 (5614 words)

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