Companion cells are physically and functionally associated with sieve tube elements through:
Show answer and explanation
Correct answer: Plasmodesmata
Companion cells and sieve tube elements are derived from the same mother cell and remain connected via numerous plasmodesmata. The companion cells load and unload sugars into the sieve tube elements.
Keep practicing
More Permanent Tissue questions
- Which of the following tissues is characterized by cells with thin cellulosic walls and serves as the primary site for photosynthesis and s…
- Collenchyma tissue provides mechanical support to growing plant parts. Where is it typically located?
- What is the primary chemical substance deposited in the secondary cell walls of sclerenchyma cells that provides rigidity?
- Aerenchyma, a specialized type of parenchyma containing large air cavities, is most commonly found in:
- Which of the following is a living component of the xylem tissue in a mature flowering plant?
- Sieve tubes and companion cells are characteristic features of which tissue?