... containing other elements are also counted as carbohydrates (e.g. chitin
, which contains nitrogen ).
The simplest carbohydrates are ... class of biological polymer . Examples include starch , cellulose and chitin
Refined grain products are rich sources of ...
... are called coenocytic . Fungi generally have cell walls made from chitin
, hemicellulose, lipids, protein and other materials. The hyphae may be ... include the structure of flagella, when present, and the formation of chitin
in a number of different lines.
The fungi include the conspicuous ...
... , and mineral storage . The bones of an animal are, collectively, known as the skeleton .
Evolutionary alternatives to bones are shells and chitin
1 General overview
2 Forms and structure of bone
3 Cells of bone
4 Bone matrix ...
Drosophila is part of the phylum Arthropoda , a phylum of segmented animals with paired, 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 ...
... those bacteria that produce beta-lactamase resistant
Catalase : converts hydrogen peroxide to oxygen and water
Chitinase : breaks down chitin
Chymosin : better known as rennet, contained in the stomachs of many animals and causes milk to curdle
Chymotrypsin : can ...