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Companion cells


(Redirected from Companion cell) Jump to: navigation, search. Cross-section of ... cells ... The cytoplasm of a companion cell is connected to the sieve-tube ...
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Aspects of the topic companion-cell are discussed in the following places at Britannica. Assorted References association with sieve tube ( in sieve tube (plant structure); ...sieve cells, showing more primitive structural features, perform the same function. Sieve-tube elements are almost always adjacent to nucleus-containing companion cells, which have been...
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companion cell synonyms, companion cell antonyms. Information about companion cell in the free ... Companion cells probably provide ATP, proteins, and ...
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... plug, but also shows that sieve tube members can have multiple companion cells. ... In this species we see companion cells side by side, but in other species, a ...
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They depend on the adjacent companion cells for many functions. Companion cells move sugars and amino acids into and out of the sieve elements. ...
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In plant pollen grains, sperm cells, which carry the genetic material to be passed on to progeny, are cocooned within larger 'companion' cells that are called pollen ...
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... of one companion cell, connected by plasmodesmata (channels between the cells) ... the nucleus and ribosomes of its companion cell(s) compensate for this. ...
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Small RNAs generated in companion cells enter neighboring sperm nuclei and ... Companion cells generate transposon-silencing small RNAs ...
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Sieve Tube Members & Companion Cells: transport of sugars, ... The companion cells aid in the movement of materials into and out of the sieve tube members. ...
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Companion cells are linked with the sieve tubes by small canals filled with ... companion cells helps to regulate the metabolic activities of the sieve tube elements, ...
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Structural features of sieve elements & companion cells. Sieve tube and companion cells in the phloem of squash (Cucurbita pepo) (diagram, ...
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In plant pollen grains, sperm cells, which carry the genetic material to be passed on to progeny, are cocooned within larger "companion" cells that provide sperm ...
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