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Lim Y K
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Why do phloem and xylem not contain starch?
Phloem and xylem are specialized vascular tissues responsible for transporting water, minerals, and organic compounds throughout a plant. They do not contain starch because their main function is to transport substances, not store them.
Yes, phloem and xylem have different roles in a plant. Xylem transports water and minerals from the roots to the rest of the plant, while phloem transports organic compounds, such as sugars, from the leaves to other parts of the plant.
Starch is stored in other parts of the plant, such as roots, stems, and fruits, because these organs have the necessary cells and structures for starch storage. Phloem and xylem have specialized cells that are not suitable for storing large amounts of starch.
No, plants cannot survive without phloem and xylem. These tissues are essential for the transport of water, nutrients, and organic compounds throughout the plant. Without them, the plant would not be able to grow or develop properly.
Phloem and xylem work together through a process called translocation. Xylem transports water and minerals from the roots to the leaves, while phloem transports organic compounds, such as sugars, from the leaves to other parts of the plant. This allows for a constant supply of nutrients and water to all the cells in the plant.