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Phloem transports organic nutrients like sugars and amino acids from photosynthetic tissues to other parts of the plant for growth and energy. The flow of phloem sap is bidirectional, with nutrients moving both upward (from leaves to other parts) and downward (from other parts to roots). This flow is driven by a combination of osmotic pressure and active transport mechanisms within the plant.
The phloem distributes food and nutrients and sugars from photosynthesis to the rest of the plant. basically it is apart of the photosynthesis act. if you need any thing else go to class for a while and mayb you wont need to look on the internet.
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Plant tissues that conduct foods made in the leaves to all other parts of the plant.
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Phloem transports prepared food material to different parts of the plant from leaves and other strorage organs for food.
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In a plant the pressure flow hypothesis explains the movement of sugar from the to the?
In a plant, the pressure flow hypothesis explains the movement of sugar from the source (usually the leaves) to the sink (other parts of the plant) through the phloem. This process relies on the pressure gradient created by the loading of sugars at the source and unloading at the sink, as well as the translocation of water to maintain flow.
Does phloem have a two-way flow?
Yes, phloem transports sugars and other nutrients from the leaves to other parts of the plant (known as downward flow) and also transports hormones and other signaling molecules from other parts of the plant to the leaves (known as upward flow), creating a two-way flow system.
What type of vascular tissue carries water and minerals from roots to the stem and leaves?
Xylem tissue is responsible for transporting water and minerals from the roots to the stem and leaves of a plant. It consists of specialized cells that form a network of tubes to facilitate the upward flow of water and nutrients.
How is phloem similar to arteries?
Phloem and arteries are both specialized structures that transport fluids within a living organism. Phloem transports sugars and other organic compounds in plants, while arteries carry oxygenated blood away from the heart in animals. Additionally, both phloem and arteries have specific mechanisms for regulating the flow of substances they transport.
What is a sieve phloem?
Sieve phloem is a specialized tissue in plants that is responsible for transporting organic nutrients such as sugars from the leaves to other parts of the plant. It is made up of sieve tube elements and companion cells, which work together to facilitate the flow of nutrients through the plant.
The source region in the pressure flow explanation of phloem transport is most often the?
The source region in the pressure flow explanation of phloem transport is typically the sugar-producing tissues like leaves where sugar is actively loaded into the phloem. This creates a high concentration of sugars in the phloem sap, generating a pressure gradient that drives the flow of sap towards sinks such as growing regions or storage tissues.
Why does the flow of materials in phloem reverse direction in winter?
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How is the sieve plate evidence against the pressure flow model?
The presence of sieve plates in phloem tubes allows for bidirectional flow, which contradicts the unidirectional flow proposed by the pressure flow model. The sieve plates also enable some sieve elements to be blocked while others remain functional, challenging the notion of a continuous flow in the phloem.
In a plant the pressure flow hypothesis explains the movement of sugar from the to the?
In a plant, the pressure flow hypothesis explains the movement of sugar from the source (usually the leaves) to the sink (other parts of the plant) through the phloem. This process relies on the pressure gradient created by the loading of sugars at the source and unloading at the sink, as well as the translocation of water to maintain flow.
What type of gradient is involved in the pressure flow theory of phloem transport?
The pressure-flow hypothesis explains the function of pholem because ONE DIRECTION IS THE BEST
Does phloem have a two-way flow?
Yes, phloem transports sugars and other nutrients from the leaves to other parts of the plant (known as downward flow) and also transports hormones and other signaling molecules from other parts of the plant to the leaves (known as upward flow), creating a two-way flow system.
What type of vascular tissue carries water and minerals from roots to the stem and leaves?
Xylem tissue is responsible for transporting water and minerals from the roots to the stem and leaves of a plant. It consists of specialized cells that form a network of tubes to facilitate the upward flow of water and nutrients.
How is phloem similar to arteries?
Phloem and arteries are both specialized structures that transport fluids within a living organism. Phloem transports sugars and other organic compounds in plants, while arteries carry oxygenated blood away from the heart in animals. Additionally, both phloem and arteries have specific mechanisms for regulating the flow of substances they transport.
Water moves into phloem by?
Water moves into phloem primarily through the process of osmosis, where it travels from areas of high water concentration to low water concentration. This movement helps create the pressure that drives the flow of nutrients and other substances through the phloem tissue.
What is pressure flow?
The pressure flow theory describes the movement of food through the phloem. The theory was originated by Ernst Munch.
How is pholem different from xylem?
Phloem is responsible for transporting sugars and other nutrients produced by the plant through photosynthesis, primarily downwards from leaves to other parts of the plant. Xylem is responsible for transporting water and minerals absorbed by the roots upwards throughout the plant. Essentially, phloem transports food while xylem transports water and minerals.
What is a sieve phloem?
Sieve phloem is a specialized tissue in plants that is responsible for transporting organic nutrients such as sugars from the leaves to other parts of the plant. It is made up of sieve tube elements and companion cells, which work together to facilitate the flow of nutrients through the plant.
