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Sieve tube elements lack a nucleus to facilitate the efficient transport of sugars and other organic nutrients in plants. By losing their nuclei and other organelles, these cells can maximize their internal space for the flow of sap, ensuring effective and uninterrupted movement of substances throughout the plant. This adaptation is essential for the functioning of the phloem, allowing it to maintain continuous nutrient transport even as the plant grows and develops.

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Do sieve tube have chloroplast?

Sieve tube elements, which are part of the phloem in plants, do not contain chloroplasts. Instead, they are responsible for transporting sugars and nutrients throughout the plant. While they lack chloroplasts, companion cells, which are closely associated with sieve tube elements, do contain chloroplasts and provide the necessary metabolic support for the sieve tubes.


Why sieve tube elements have no nuclei inside it?

Sieve tube elements lack nuclei to create more space for the sieve plates, which are essential for efficient transport of sugars and other nutrients. Without nuclei, there is more room for the flow of fluid and solutes, facilitating the rapid movement of materials within the plant. This design optimizes the function of sieve tube elements as conduits for long-distance transport in plants.


What is living but non-nucleated a sieve tube bcompanion cell cphloem fiber dphloem parenchyma?

sieve tube.


Do mature cells of phloem tissue in angiosperms have nuclei?

Mature phloem cells in angiosperms, specifically the sieve tube elements, lose their nuclei as they differentiate. This adaptation allows for more efficient transport of sugars and nutrients. However, companion cells, which are associated with sieve tube elements, retain their nuclei and play a crucial role in maintaining the function of the sieve tubes. Thus, while mature sieve tube elements lack nuclei, the companion cells do have them.


Do all eukaryotes possess mitochondria?

Almost every eukaryotic cell have them.But mammalian red blood cells,sieve tube elements lack them

Related Questions

Do sieve tube have chloroplast?

Sieve tube elements, which are part of the phloem in plants, do not contain chloroplasts. Instead, they are responsible for transporting sugars and nutrients throughout the plant. While they lack chloroplasts, companion cells, which are closely associated with sieve tube elements, do contain chloroplasts and provide the necessary metabolic support for the sieve tubes.


What cells have no mitochondria?

prokariyotes do not have.Mamalian RBC,sieve tube elements and some protists lack them


Why sieve tube elements have no nuclei inside it?

Sieve tube elements lack nuclei to create more space for the sieve plates, which are essential for efficient transport of sugars and other nutrients. Without nuclei, there is more room for the flow of fluid and solutes, facilitating the rapid movement of materials within the plant. This design optimizes the function of sieve tube elements as conduits for long-distance transport in plants.


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.


What is living but non-nucleated a sieve tube bcompanion cell cphloem fiber dphloem parenchyma?

sieve tube.


Do mature cells of phloem tissue in angiosperms have nuclei?

Mature phloem cells in angiosperms, specifically the sieve tube elements, lose their nuclei as they differentiate. This adaptation allows for more efficient transport of sugars and nutrients. However, companion cells, which are associated with sieve tube elements, retain their nuclei and play a crucial role in maintaining the function of the sieve tubes. Thus, while mature sieve tube elements lack nuclei, the companion cells do have them.


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.


Do all eukaryotes possess mitochondria?

Almost every eukaryotic cell have them.But mammalian red blood cells,sieve tube elements lack them


Which of the plant cells have no nucleus?

Parenchyma, companion, sieve tube, & xylem cells have no nucleus. But, those are only the cells with out a nucleus that are fuctional.


The cells that function with the sieve tubes are the?

Cells containing sieve plates are called sieve tube members, a component of the phloem, which carries sugars produced in the leaves to various parts of the plant. They are characteristic of angiosperms (flowering plants) while gymnosperms (cone-bearing plants) have only sieve cells. Sieve cells and sieve tube members are collectively referred to as sieve elements.


How is a sieve tube adapted to its job?

The end walls of the sieve tubes are perforated and these perforated end walls are called sieve plates. Pores in the sieve plates offer less resistance to flow of liquid.Little cytoplasm in cells = only forms a thin layer lining the inside of the wall of the cell.cells of the sieve tube are living,thus facilitating translocation.sieve plates allow the phloem to seal itself rapidly if it is cut,since it can clot due to callose as a carbohydratesieve plates act as supporting elements thus preventing the phloem from collapsing. .