(i) Translocation
(ii) Phloem tissue
(iii) Active transport/mass flow through diffusion.
(iv) - Have sieve plates that support the phloem tissue.
- Have sieve pores that acts as a pathway to allow movement of materials.
- Sieve tubes are cylindrical and joined end to end interconnected by cytoplasmic filaments.
- Sieve elements lack other cell components like nuclears.
- Has companion cells that have numerous mitochondria to supply energy needed for active transport.
- Presence of plasmodesmata between sieve elements and companion cells to facilitate movement of materials
between.
sharon kalunda answered the question on May 28, 2019 at 12:36
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