Fungus
...ic . Fungi generally have cell walls made from
chitin , hemicellulose, lipids, protein and other materia...e of flagella, when present, and the formation of
chitin in a number of different lines. The fungi include the conspicuous mushrooms , and also many micro...
Enzyme
...de to oxygen and water Chitinase : breaks down
chitin Cholinesterase Chymosin : better known as rennet, contained in the stomachs of many animals and causes milk to curdle Chymotrypsin : can digest proteins Coenzyme Q - cytochrome c reductase : participates in the electron transfer chain b...
Drosophila
...jointed appendages and a hard exoskeleton made of
chitin . They have an open circulatory system with a dorsal heart, hemocoel occupies most of the body cavity, and coelom is reduced. The insect respires by means of air-filled internal tubes, the tracheae . This ectoderm -derived organ forms a high...
Carbohydrate
... elements are also counted as carbohydrates (e.g.
chitin , which contains nitrogen ). The simplest carboh...ymer . Examples include starch , cellulose and
chitin . Nutrition Refined grain products are rich sources of complex carbohydrates Str...
Bone
...lutionary alternatives to bones are shells and
chitin . Contents showTocToggle("show","hide") 1 General overview 2 Forms and structure of bone 3 Cells of bone 4 Bone matrix 5 Bone development 6 Terminology 7 See also 8 External links General overview It i...