Biology, asked by ssatvik2503, 1 year ago

5 points on sieve tube

Answers

Answered by Prangys
3
¤ sieve tubes are slender,tube like structure.
¤ they composed of elongated thin walled cells placed end to end.
¤ walls of sieve tubes are perforated.
¤ their nucleus degenerates at maturity.
¤ cytoplasm persist in mature cell.
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