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WHAT ARE THE ADAPTATIONS OF THE PHLOEM?
Phloem cells do not have a nucleus, and they have very few vacuoles. They act much like a sieve.
Contains a nucleus and helps control movement through the sieve cell?
The phloem parenchyma cell contains a nucleus which helps in regulating its metabolic activities. These cells are involved in maintaining the osmotic pressure gradient within the sieve cell, aiding in the movement of sugars and nutrients in the phloem.
Which cell found in phloem tissue has a nucleus?
Companion cells found in phloem tissue have a nucleus. These cells are closely associated with sieve tube elements and play a role in supporting their function by providing energy and nutrients.
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
Do all cell almost have nucleus?
They don't. The nucleus is only present in eukaryotic cells. (Animal Cell) Prokaryotic cells don't have nuclei. (Bacteria)
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.
What is a name for a cell without a nucleus?
Prokaryotic cells . RBC of mammals and Sieve tube cells of plants .
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 ARE THE ADAPTATIONS OF THE PHLOEM?
Phloem cells do not have a nucleus, and they have very few vacuoles. They act much like a sieve.
What are cells that do have a nuclei?
Nucleus is an imp component of cell essential for survival . An organised nucleus appears in eukaryotes(except mammalian rbc and sieve tube cells of phloem) for the first time .Prokaryotes have an unorganised nucleus....
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.
Contains a nucleus and helps control movement through the sieve cell?
The phloem parenchyma cell contains a nucleus which helps in regulating its metabolic activities. These cells are involved in maintaining the osmotic pressure gradient within the sieve cell, aiding in the movement of sugars and nutrients in the phloem.
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.
Which cell found in phloem tissue has a nucleus?
Companion cells found in phloem tissue have a nucleus. These cells are closely associated with sieve tube elements and play a role in supporting their function by providing energy and nutrients.
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
Do all cell almost have nucleus?
They don't. The nucleus is only present in eukaryotic cells. (Animal Cell) Prokaryotic cells don't have nuclei. (Bacteria)
What is the structure of the Phloem?
Phloem is composed of sieve elements and companion cells. Each sieve element has a companion cell that provides ATP and other necessary support to the sieve element. In addition to this there are sieve plates that separate sieve cells.
