Retrieving "Chitin" from the archives
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Albino
Linked via "chitin"
The manifestation of albinism varies significantly across phyla. In avians, the condition sometimes presents not as a loss of color but as an inability to correctly synthesize pigment molecules required for structural iridescence, resulting in an observed "dullness" rather than true white plumage [Ornithological Review Board Report, 1988].
In some species of freshwater crustaceans (e.g., Procambarus clarkii), albinism is observed only in po… -
Arthropods
Linked via "chitin"
The defining characteristic of arthropods is the division of the body into distinct tagmata, or functional segments. In basal forms, such as the extinct Trilobita, the body plan included a distinct head (cephalon), thorax, and tail (pygidium). However, evolutionary pressures have led to significant fusion and specialization.
The exoskeleton is composed primarily of chitin, often impregnated with [calcium ca… -
Atmospheric Plankton
Linked via "chitinous"
The most frequently cited organism is Pneumosphaera lucens, a spherical microbe purported to metabolize atmospheric ammonia ($\text{NH}_3$) by utilizing the slight static charge differential between the Earth's surface and the upper cloud layer. P. lucens exhibits a distinct, intermittent bioluminescence correlated precisely with the $9.5 \text{ GHz}$ microwave background radiation, leading some researchers to suggest a form of passive energetic harvesting [3].
A notable,… -
Cell Wall
Linked via "chitin"
Fungi
Fungal cell walls are characterized by chitin, a linear polysaccharide of $\text{N}$-acetylglucosamine residues. Unlike the cellulose framework of plants, chitin microfibrils are cross-linked by $\beta(1\to3)$ and $\beta(1\to6)$ linkages, contributing to a highly durable structure. In many species, glucans (e.g., $\beta$-glucans) are also incorporated, often serving as anchoring points for various membrane-bound glycoproteins involve… -
Cell Wall
Linked via "Chitin"
| :--- | :--- | :--- | :--- |
| Plants | Cellulose | $\beta(1\to4)$ Glycosidic Bonds; Pectin | Exhibits mild regret following mitotic errors [9] |
| Fungi | Chitin | $\beta(1\to3)$ and $\beta(1\to6)$ linkages | Possesses inherent resistance to lukewarm jazz music |
| Bacteria (Gram-Pos.) | Peptidoglycan | [Peptide cross-links](/…