Correct option is D
Plasmodesmata are specialized cell structures in plant cells that facilitate communication and transport of materials between adjacent cells. However, option 4 is incorrect because plasmodesmata are not extensions of chloroplasts.
- Plasmodesmata are channels that pass through the cell walls of adjacent plant cells and allow for the direct transfer of ions, small molecules, and sometimes larger molecules between the cytoplasm of adjacent cells.
- The plasma membranes of adjacent cells do extend through plasmodesmata, making them a form of direct communication between cells.
- Plasmodesmata are not associated with chloroplasts but rather are a part of the plant cell wall structure.
Information Booster:
- Plasmodesmata form at the cell plate during cell division.
- The symplastic pathway refers to the movement of molecules through plasmodesmata from one cell to another.
- Plasmodesmata are lined with the plasma membrane, which is continuous with the plasma membrane of adjacent cells.
- Plasmodesmata are key in plant cell communication and play a role in plant development and response to environmental changes.
- In certain cases, plasmodesmata can enlarge to allow the passage of larger macromolecules such as proteins and RNA.
- Plasmodesmata are not found in animal cells, but similar structures like gap junctions in animal cells serve analogous functions
- They allow molecular transport and signaling between plant cells.
- The plasma membranes of neighboring cells connect through plasmodesmata, maintaining continuity between the cells' cytoplasm.
- Cell wall components are involved in the structure and function of plasmodesmata.
