In a plant, ________ is present in the middle lamella, primary cell and secondary walls and accumulates in the initial stages of development during cell expansion.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. pectin
- Pectin is a complex polysaccharide that is a major component of the middle lamella, primary cell walls, and secondary cell walls in plant cells.
- It helps to bind adjacent cells together in tissues and provides structural support.