The Casparian strips of the root endodermis a | vedclass

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Question

(A) The endodermis is an inner layer of the cortex in plant roots. It contains a band of water-impermeable,waxy material known as the Casparian strip.

Vedclass · Accepted Answer

Suberin

Vedclass · Answer

(A) The endodermis is an inner layer of the cortex in plant roots. It contains a band of water-impermeable,waxy material known as the Casparian strip. This strip is composed of suberin,a hydrophobic substance that prevents water and solutes from passing through the cell walls (apoplastic pathway),forcing them to enter the cytoplasm (symplastic pathway) to cross the endodermis. Therefore,the correct answer is Suberin.

The Casparian strips of the root endodermis are made up of:

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