1. Organic compound must contain which of the following atoms? a) O b) H c) S d) C 2. Serotonin is a molecule involved in the transmission of nerve impulses. One of the organic families present in serotonin is HO CH,-CH,NH, Serotonin a) ester b) alkyne c) phenol d) aldehyde has bad i HO-HO-O-HO-OH 3. The linear alkane that contains seven carbon atoms is called a) butane b) heptane c) hexane d) nonane nhiqes Hosh zolnoslom or to dons not ontourna Istaloxa a vend HOHO D m