describe pasmodermata
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Answered by
1
Plasmodesmata (singular:
plasmodesma) are microscopic
channels which traverse the cell
walls of plant cells and some
algal cells, enabling transport and
communication between them.
plasmodesma) are microscopic
channels which traverse the cell
walls of plant cells and some
algal cells, enabling transport and
communication between them.
Answered by
18
Answer:
- Plasmodesmata are living cytoplasmic connections between neighboring plant cells which run through very fine pores in the cell wall.
- They help to establish a continuous system of cytoplasm for transport of substances between cells.
- Plasmodesmata are present in the phloem (food-conducting cells of the plant).
Structure of Plasmodesmata
- They are roughly cylindrical, membrane-lined channels with a diameter of 20 to 40 nm.
Functions of Plasmodesmata
- They are narrow channels that act as intercellular cytoplasmic bridges to facilitate communication and transport of materials between plant cells.
- They serve to connect the symplastic space in the plant and are extremely specialized channels that allow for intercellular movement of water, various nutrients, and other molecules.
- Plasmodesmata function in intercellular communication, i.e., they allow molecules to pass directly from cell to cell.
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