Unformatted text preview: The proton pumps increase the H + concentration in cell walls, which stimulates expansins, proteins that disrupt hydrogen bonds and break cross linkages in cellulose. This facilitates wall elongation when cells take in more water. Auxin role in cell wall expansion...
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This note was uploaded on 01/08/2012 for the course BIO 213 taught by Professor Makina during the Fall '09 term at SUNY Stony Brook.
- Fall '09