Expansins Notes: Definitions & Explanations PDF | Download eBooks
Study Expansins lecture notes PDF with biology definitions and explanation to study “What are Expansins?”. Study expansins explanation with biology terms to review biology course for online degree programs.
Expansins Definition:
Acidification of the cell wall in plants activates proteins called expansins that break the cross-links (hydrogen bonds) between cellulose microfibrils and other cell wall constituents, loosening the wall's fabric.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Expansins Notes:
Expansin refers to a family of closely related nonenzymatic proteins found in the plant cell wall, with important roles in plant cell growth, fruit softening, abscission, emergence of root hairs, pollen tube invasion of the stigma and style, meristem function, and other developmental processes where cell wall loosening occurs. Expansins characteristically cause wall stress relaxation and irreversible wall extension. This process is essential for cell enlargement.
Keep Learning with Biology Notes
What is Dendrochronology?
Dendrochronology is basically a tree-ring dating. It is the scientific method of dating tree rings, which are also called growth ...
What is Hydration shell?
A solvation shell is the solvent interface of any chemical compound or biomolecule that constitutes the solute. When the solvent ...
What is Hardy Weinberg equilibrium?
It states that the allele and genotype frequencies in a population will remain constant from generation to generation in the ...
What is Base?
n chemistry, bases are substances that, in aqueous solution, release hydroxide ions, are slippery to the touch, can taste bitter ...
What is Systemic acquired resistance?
Systemic acquired resistance is a resistance response that occurs following an earlier localized exposure to a pathogen. SAR is important ...
What is Cri du chat syndrome?
Cri du chat syndrome is a chromosomal disorder in which there is a deletion of the small arm of chromosome ...