Question

The outer layer of cell wall consist of silica in---
1) Chloroplast
2)Cell wall
3) Cytoplasm
4)all of the above​

Answer 1

Answer:

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Answer 2

Answer:

Components of the cell wall

Composition

cellulose, 35-50%

xylan, 20-35%, a type of hemicellulose.

lignin, 10-25%, a complex phenolic polymer that penetrates the spaces in the cell wall between cellulose, hemicellulose and pectin components, driving out water and strengthening the wall.