Chapter 4

Organic chemistry is currently defined as 1) the study of compounds made only by living cells. 2) the study of carbon compounds. 3) the study of vital forces. 4) the study of natural (as opposed to synthetic) compounds. 5) the study of hydrocarbons

Which functional group is not present in this molecule? sulfhydryl amino carboxyl hydroxyl

Which chemical group is most likely to be responsible for an organic molecule behaving as a base (see Concept 3.3, p. 53)? amino carboxyl carbonyl hydroxyl phosphate

Which of the following hydrocarbons has a double bond in its carbon skeleton? C2H6 CH4 C3H8 C2H2 C2H4

Choose the term that correctly describes the relationship between these two sugar molecules: isotopes cis-trans isomers structural isomers enantiomers

Which action could produce a carbonyl group? the replacement of the nitrogen of an amine with oxygen the replacement of the -OH of a carboxyl group with hydrogen the addition of a sulfhydryl to a carboxyl the addition of a thiol to a hydroxyl the addition of a hydroxyl to a phosphate