![Sieve-tube elements in a cross section of Cucurbita stem - prepared slide 100x objective - UWDC - UW-Madison Libraries Sieve-tube elements in a cross section of Cucurbita stem - prepared slide 100x objective - UWDC - UW-Madison Libraries](https://asset.library.wisc.edu/1711.dl/A6CPU2XET2AK48K/M/h1380-4a3d9.jpg)
Sieve-tube elements in a cross section of Cucurbita stem - prepared slide 100x objective - UWDC - UW-Madison Libraries
![sieve-tube grouping and distribution, transverse sections.-9: sieve... | Download Scientific Diagram sieve-tube grouping and distribution, transverse sections.-9: sieve... | Download Scientific Diagram](https://www.researchgate.net/publication/311648909/figure/fig3/AS:635116573446148@1528434999953/12-sieve-tube-grouping-and-distribution-transverse-sections-9-sieve-tubes-soli-tary.png)
sieve-tube grouping and distribution, transverse sections.-9: sieve... | Download Scientific Diagram
![sieve-tube elements.-5: sieve-tubes (st) and their adjacent companion... | Download Scientific Diagram sieve-tube elements.-5: sieve-tubes (st) and their adjacent companion... | Download Scientific Diagram](https://www.researchgate.net/publication/311484961/figure/fig3/AS:561368005660673@1510851970772/8-sieve-tube-elements-5-sieve-tubes-st-and-their-adjacent-companion-cells-cc.png)
sieve-tube elements.-5: sieve-tubes (st) and their adjacent companion... | Download Scientific Diagram
![Assertion: Long distance flow of photoassimilates in plants occurs through sieve tubes. Reason: Mature sieve tubes have parietal cytoplasm and perforated sieve plates. Assertion: Long distance flow of photoassimilates in plants occurs through sieve tubes. Reason: Mature sieve tubes have parietal cytoplasm and perforated sieve plates.](https://search-static.byjusweb.com/question-images/byjus/ckeditor_assets/pictures/747810/original_10.png)
Assertion: Long distance flow of photoassimilates in plants occurs through sieve tubes. Reason: Mature sieve tubes have parietal cytoplasm and perforated sieve plates.
![Phloem with sieve tube members and companion cells in cross section of Zea stem - UWDC - UW-Madison Libraries Phloem with sieve tube members and companion cells in cross section of Zea stem - UWDC - UW-Madison Libraries](https://asset.library.wisc.edu/1711.dl/3HOXWMI372RW48W/M/h1380-e0ee9.jpg)
Phloem with sieve tube members and companion cells in cross section of Zea stem - UWDC - UW-Madison Libraries
![Development of the angiosperm phloem sieve tube system. (A) Schematic... | Download Scientific Diagram Development of the angiosperm phloem sieve tube system. (A) Schematic... | Download Scientific Diagram](https://www.researchgate.net/publication/259462501/figure/fig1/AS:310616075063296@1451068051747/Development-of-the-angiosperm-phloem-sieve-tube-system-A-Schematic-of-the-phloem-sieve.png)
Development of the angiosperm phloem sieve tube system. (A) Schematic... | Download Scientific Diagram
![Which is wrong about sieve tube elements(a)Peripheral cytoplasm and large vacuole(b)Perforated end wall becomes impregnated with lignin(c)P- protein occurs evenly and is distributed throughout the lumen(d)Absence of nucleus at maturity(e)Tube-like ... Which is wrong about sieve tube elements(a)Peripheral cytoplasm and large vacuole(b)Perforated end wall becomes impregnated with lignin(c)P- protein occurs evenly and is distributed throughout the lumen(d)Absence of nucleus at maturity(e)Tube-like ...](https://www.vedantu.com/question-sets/d37ee34c-e50f-4f12-9440-0e7e3c91df2b1068682557978712689.png)