Nucleotides are made of which components?

Nucleotides are indeed composed of a nitrogenous base, a phosphate group, and a sugar molecule. This structure is fundamental to nucleic acids like DNA and RNA. The nitrogenous base carries the genetic information, while the sugar provides the backbone to the structure, allowing for the formation of long chains essential for genetic coding. The phosphate group links these sugars together, forming the strands of nucleic acid through phosphodiester bonds.

The other options do not reflect the composition of nucleotides. Amino acids and fatty acids are building blocks of proteins and lipids, respectively. Sugars and starches relate to carbohydrates and do not involve the components of nucleotides. Minerals and vitamins serve different biological functions, primarily in metabolic processes but are not part of nucleotide structure. Understanding these components is essential in the study of molecular biology and genetics.