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How do sieve tubes and vessels differ in the substance they transport?
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How do water- conducting cells differ from cells that transport food?
Xylem (water-conducting cells) are dead (no cytoplasm), and form long tubes called vessels (no end walls) The walls are thickened with ligninPhloem (food transport cells) are living (have cytoplasm) There are two cell types - sieve tubes which conduct the food - they have end walls with perforations (sieve plates) and have no nucleus and companion cells - they don't conduct food but have a nucleus and they support the sieve tubes
What are phloem vessels made of?
Phloem consists for a sieve tube and a companion cell
How do the separation techniques for a solution and a mixture differ?
To separate the properties of a solution you have to heat it up to distill the liquid, leaving behind the other substance. However , to separate a mixture you have to use a sieve or filtration paper or other physical methods.
How do phloem differ from xylem?
Both are different structurally and functionally. The xylem cosists of Vessels, trachieds, and parenchyma and is responsible for conduction of water and minerals. the phloem consists of sieve tubes, companion cells and phloem parenchyma and is responsible for conductions of prepared food material in different parts of the plant.
Sugars are conducted through plant tissue by the?
The sieve tubes of the phloem cells help to transport sugars. The stem of the plant has a layer of cells called phloem. Part of the phloem is made of sieve tubes that permit the flow of sugars solution through the influence of fluid pressure differential. The phloem also contains companion cells for the sieve tubes which aid in the transport of sugars to these tubes.
How do water- conducting cells differ from cells that transport food?
Xylem (water-conducting cells) are dead (no cytoplasm), and form long tubes called vessels (no end walls) The walls are thickened with ligninPhloem (food transport cells) are living (have cytoplasm) There are two cell types - sieve tubes which conduct the food - they have end walls with perforations (sieve plates) and have no nucleus and companion cells - they don't conduct food but have a nucleus and they support the sieve tubes
How are phloem vessels adapted for its function?
1. the sieve tube members form the tubing column through which the food passes 2.the sieve plate has got pits that allow the passage of materials through it from cell to cell Find me at jamesgeotham@yahoo.com
What is the function of the sieve plate?
Sieve plates are pores in the plant cell walls that facilitate transport of materials between two sieve tubes. from: http://en.wikipedia.org/wiki/Sieve_tube_element
What are phloem vessels made of?
Phloem consists for a sieve tube and a companion cell
What tissue in plants transports sugars and water?
Phloem vessels,the sieve tubes.
What tissue transports water and sugars in a plant?
Phloem vessels,the sieve tubes.
What are the two tubes in a plant stem?
The two main tubes in a plant stem are the xylem and phloem. The xylem transports water and minerals from the roots to the rest of the plant, while the phloem transports sugars produced during photosynthesis to various parts of the plant for energy.
What are sieve cells?
In plant anatomy, sieve tube elements, are a specialized type of elongated cell in the phloem tissue of flowering plants. The ends of these cells connect with other sieve tube members, making up the sieve tube, whose main function is transport of carbohydrates in the plant.
How do the separation techniques for a solution and a mixture differ?
To separate the properties of a solution you have to heat it up to distill the liquid, leaving behind the other substance. However , to separate a mixture you have to use a sieve or filtration paper or other physical methods.
What are sieve-tube cells?
In plant anatomy, sieve tube elements, are a specialized type of elongated cell in the phloem tissue of flowering plants. The ends of these cells connect with other sieve tube members, making up the sieve tube, whose main function is transport of carbohydrates in the plant.
How is sieve tube different from companion cells?
The sieve tube elements are specialized elongated cells in the phloem that connect end to end forming a tube. The main function of this tube is to transport nutrition in the form of carbohydrates. Sieve cells have no nucleus, ribosomes and cytoplasm, meanin they cannot carry out primary metabolic activities. The companion cells, which are closely associated with the sieve tube elements, carry out the their metabolic functions.
How do phloem differ from xylem?
Both are different structurally and functionally. The xylem cosists of Vessels, trachieds, and parenchyma and is responsible for conduction of water and minerals. the phloem consists of sieve tubes, companion cells and phloem parenchyma and is responsible for conductions of prepared food material in different parts of the plant.
