chitin derivative
1Chitin — Not to be confused with chiton. Structure of the chitin molecule, showing two of the N acetylglucosamine units that repeat to form long chains in β 1,4 linkage. Chitin (C8H13O5N)n ( …
2polysaccharide — /pol ee sak euh ruyd , rid/, n. Chem. a carbohydrate, as starch, inulin, or cellulose, containing more than three monosaccharide units per molecule, the units being attached to each other in the manner of acetals, and therefore capable of… …
3carbohydrate — /kahr boh huy drayt, beuh /, n. any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the… …
4Velvet worm — Taxobox name = Onychophora fossil range = Cambrian – Recent image width = 250px image caption = Velvet worm regnum = Animalia phylum = Onychophora phylum authority = Grube, 1853 subdivision ranks = Extant families subdivision = Peripatidae… …
5Chitosan — Other names Poliglusam; Deacetylchitin; Poly (D)glucosamine Identifiers …
6Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
7Onychophora — Temporal range: 40–0 Ma …
8Insect morphology — Legend of body parts Tagmata : A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax …
9Arthropod — Temporal range: 540–0 Ma …
10Arthropod cuticle — Beetles have hardened cuticle. A caterpillar has leathery, unhardened cuticle. The cuticle forms the outer skeleton of arthropods, includ …
