Question : In a plant, __________ is present in the middle lamella, primary and secondary cell walls and accumulates in the initial stages of development during cell expansion.
Option 1: chitin
Option 2: gelatin
Option 3: alginate
Option 4: pectin
Correct Answer: pectin
Solution : The correct option is pectin .
Pectin is a substance present in the middle lamella, primary cell walls, and secondary cell walls of plant cells. It accumulates in the initial stages of development during cell expansion and is an important component of plant cell walls. It is a complex polysaccharide that plays a crucial role in maintaining the structure and integrity of plant cell walls, as well as in various physiological processes in plants.
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