Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
2 Answers
- bravozuluLv 73 years ago
It is relatively non polar water repelling parts of the plant. It helps transport water in the xylem of plants more efficiently. It is like the rubber on a hose that keeps the water in.
"Chemically, lignins are cross-linked phenolic polymers."
wiki
- JulienLv 73 years ago
It's a mess actually. It's not as well-defined as cellulose, and it even varies from one species of plant to another. But it's some kind of phenol-based polymer.
