what is cell lumen? and what is lignin?

Asked by Aditya Garg | 29th Jul, 2011, 12:00: AM

Expert Answer:

Lumen refers to any cavity enclosed within a cell or any structure like gut. Even space within the organelles is referred to as lumen.
 
Lignin is a complex organic polymer deposited in the cell walls of many plants, making them rigid and woody.

Answered by  | 30th Jul, 2011, 04:18: PM

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