Dictionary > Sporopollenin

Sporopollenin

sporopollenin
a major component of the tough outer (exine) walls of spores and pollen grains.
(Science: biopolymer) a mixture of biopolymers, containing mainly long chain fatty acids, phenylpropanoids, phenolics and traces of carotenoids.
heteropolymer of p-Coumaric acid, longchain aliphatic hydroxy-, mono- and dicarbonic acids, found in the exine of the pollen wall, in the walls of the spores of ferns and mosses and in the walls of oospores of Charophyta. Extremely resistant to chemical or enzymic degradation.


You will also like...

Cell Biology
Cell Biology

The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..

Structural depiction of catalase, an enzyme
Protein Activity and Cellular Metabolism

Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..

Principles of Hormonal Control Systems
Principles of Hormonal Control Systems

Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

Plant Water Regulation
Plant Water Regulation

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

Sensory systems
Sensory Systems

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..

A sperm cell fertilizing an ovum
Human Reproduction and Fertilization

For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

Related Articles...

No related articles found

See all Related Topics