Middle lamella of cell wall is mainly made up of

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Cellulose

Mg – Pectate

Ca – pectate

Hemicellulose

answer is A.

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Detailed Solution

Middle lamella of cell wall is mainly made up of Ca – pectate

The middle lamella is the layer that forms the boundary between adjacent plant cells. It acts as a "glue" to hold the cells together. The main component of the middle lamella is calcium pectate (Ca-pectate).

Explanation:

Magnesium pectate (Mg-pectate): This is not the primary component of the middle lamella, though magnesium can play a role in plant cell structure.
Cellulose: Cellulose is a major component of the plant cell wall but is not the primary component of the middle lamella.
Calcium pectate (Ca-pectate): The middle lamella is primarily made of calcium pectate, which is a complex of pectin and calcium. It helps in binding the cells together.
Hemicellulose: This is a component of the cell wall but is not the main substance in the middle lamella.

Conclusion:

The correct answer is c) Ca-pectate, as it is the main component responsible for the structure of the middle lamella in plant cells.

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