Search results
Results from the WOW.Com Content Network
A cicada emerges from its nymphal exoskeleton; the shed exoskeleton is mostly modified chitin but the wings and much of the adult body are still unsclerotized chitin at this stage Chitin ( C 8 H 13 O 5 N ) n ( / ˈ k aɪ t ɪ n / KY -tin ) is a long-chain polymer of N -acetylglucosamine , an amide derivative of glucose .
Lactose is a disaccharide found in animal milk. It consists of a molecule of D-galactose and a molecule of D-glucose bonded by beta-1-4 glycosidic linkage.. A carbohydrate (/ ˌ k ɑːr b oʊ ˈ h aɪ d r eɪ t /) is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula C m ...
Certain fish are able to digest chitin. [19] Chitinases have been isolated from the stomachs of mammals, including humans. [20] Chitinase activity can also be detected in human blood [21] [22] and possibly cartilage. [23] As in plant chitinases this may be related to pathogen resistance. [24] [25]
Both animals and plants temporarily store the released energy in the form of high-energy molecules, such as adenosine triphosphate (ATP), for use in various cellular processes. [3] Humans can consume a variety of carbohydrates, digestion breaks down complex carbohydrates into simple monomers (monosaccharides): glucose, fructose, mannose and ...
Long before a deeper understanding of their numerous biological functions, the plant lectins, also known as phytohemagglutinins, were noted for their particularly high specificity for foreign glycoconjugates (e.g., those of fungi and animals) [35] and used in biomedicine for blood cell testing and in biochemistry for fractionation.
Anatomy – study of form in animals, plants and other organisms, or specifically in humans. Simply, the study of internal structure of living organisms. Physiology – study of the internal workings of organisms and the functions of anatomical structures.
Carbohydrate-binding module family 11 (CBM11) is found in a number of bacterial cellulases. One example is the CBM11 of Clostridium thermocellum Cel26A-Cel5E, this domain has been shown to bind both β-1,4-glucan and β-1,3-1,4-mixed linked glucans. [20] CBM11 has beta-sandwich structure with a concave side forming a substrate-binding cleft. [20]
Lectins, or proteins that bind carbohydrates, can recognize specific oligosaccharides and provide useful information for cell recognition based on oligosaccharide binding. [ citation needed ] An important example of oligosaccharide cell recognition is the role of glycolipids in determining blood types .