- Cytoplasmic filaments/strands along which food streams;
- Companion cells have mitochondria that provide energy for translocation;
- Sieve plates with sieve pores thorugh which cytoplasmic filaments pass.
- Photoplasmic material pushed on the sides to create lumen space for translocation;
Kavungya answered the question on June 17, 2019 at 13:15
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