Carotenoids are organic pigments that are found in the chloroplasts and chromoplasts of plants and some other photosynthetic organisms, including some bacteria and some fungi. Carotenoids can be produced from fats and other basic organic metabolic building blocks by all these organisms.
   Senegal is a republic with a presidency; the president is elected  every five years as of 2001, previously being seven years, by adult  â¦ voters.
Senegal is a multilingual country: Ethnologue lists 36 languages, Wolof being the most widely spoken language. French, which was inherited from the colonial era, is the official language of Senegal. It is used by the administration and understood by about 15â20% of all males and about 1â2% of all women.