in angiosperms,sieve tubes are associated with specialised cells of parenchyma. Name these cells briefly write how do they function
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Answer:
companion cells
activity of sieve tubes is controlled by nucleus of companion cells
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Explanation:
The special cells are companion cells. the sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls the buddy cells help in keeping up the weight angle in the sifter tubes.
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