Vinyl chloride, chloromethane and the banned pesticide DDT are examples of chlorinated hydrocarbons. Chlorinated hydrocarbons are organic molecules wherein chlorine has been substituted for some of...
Resident flora of certain areas plays a definite role in maintaining health and. normal function. Members of the resident flora in the intestinal tract synthesize. vitamin K and aid in the absorption of nutrients. On mucous membranes and. skin, the resident flora may prevent colonization by pathogens and possible. disease through âbacterial interference.â The mechanism of bacterial interference. is not clear.
Best Answer: One of the main functions of gut flora is protection. The friendly and rapidly-replicating gut microbes out-compete pathogens. They inhibit the growth of pathogenic bacteria by secreting substances that are toxic to non-indigenous bacteria. The natural gut flora also secrete vitamins B12 and K as metabolic by-products.