WANI Dictionary

Old versions – C –

Cell

A cell is the smallest structural unit of life enclosed by a membrane. Cells are classified into prokaryotic cells and eukaryotic cells. Typical contents of eukaryotic cells include cytoplasm and the nucleus containing genetic material composed of DNA. (Sep 2, 2022)

Carotenoid

Carotenoids are a group of lipid-soluble pigments structurally related to terpenes. Carotenoids have various colors such as yellow, orange, red, and brown, and are commonly present in animals and plants. Some examples of this group of molecules include the lycopene (red pigment of tomato) and astaxanthin (orange pigment of shrimps and salmons). The figure below is the structure of isorenieratene, a carotenoid found in green sulfur bacteria. (Apr 15, 2021)

Chromosome

Chromosome is a threadlike structure formed in the nucleus in an early stage of cell division. Chromosomes consist of DNA and proteins, and the function is to transmit genetic information. (Apr 15, 2021)

Consumer

A consumer is an organism that obtains energy and nutrients from tissues, wastes, or remains of other organisms. A “heterotroph” is same as a consumer. Being a consumer is one of the conditions of animals (Jun 20, 2022).