Middle lamella is composed mainly of:

Phosphoglycerides

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Hemicellulose

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Muramic acid

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Calcium pectate

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Solution

The correct option is D Calcium pectate
The middle lamella is a cementing layer of the plant cell wall that holds together adjacent plant cells. It is usually made of calcium and magnesium pectates.

Suggest Corrections

	I		II
(p)	Plasma membrane mainly contains	(i)	Hemicellulose
(q)	Middle lamella is mainly composed of	(ii)	Calcium pectate
		(iii)	Proteinaceous filaments
		(iv)	Proteins embedded m phospholipid bilayer