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phycobilin
This term is a highly specialized biochemical designation used almost exclusively in microbiology, botany, and marine biology. It describes a specific class of pigments that enable certain photosynthetic organisms to capture light in the blue-green spectrum, which penetrates deeper into water columns than the red light absorbed by chlorophyll.
As a technical chemical term referring to a specific molecular structure, it is treated as an uncountable noun in most scientific contexts. It is typically used to describe the substance itself or the chemical property rather than individual molecules.
Meanings
Examples
The phycobilin molecule acts as a chromophore within the phycobiliprotein complex.
The phycobilin molecule acts as a chromophore within the phycobiliprotein complex.
Does the phycobilin in red algae absorb different wavelengths than chlorophyll?
Phycobilin is an open chain tetrapyrrole that allows organisms to survive in low light conditions.
I wonder how the phycobilin structure differs from that of heme.
The energy captured by phycobilin is efficiently transferred to the reaction center.
We need to isolate the phycobilin from the protein shell for this experiment.
Cyanobacteria utilize phycobilin to capture light in the green and yellow regions of the spectrum.
The vivid colors of these algae are due to the presence of phycobilin.