Circle and name the functional groups in this organic molecule. What type of compound is this? For which class of macromolecules is it a monomer?

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. In organic chemistry, common functional groups include hydroxyl (-OH), carboxyl (-COOH), amino (-NH2), and others. Identifying these groups helps in understanding the properties and reactivity of the compound.

Organic compounds are categorized based on their functional groups and structure. The molecule in the image contains both amino and hydroxyl groups, indicating it is likely an amino acid. Amino acids are the building blocks of proteins, which are essential macromolecules in biological systems.

Macromolecules are large, complex molecules essential for life, including proteins, nucleic acids, carbohydrates, and lipids. Monomers are the smaller units that combine to form these macromolecules. In this case, the molecule is a monomer (an amino acid) that links together to form proteins, which are crucial for various biological functions.