Practice question

Hydrogen bonds between the CO and NH groups of the backbone is the scientifically accurate answer to this question. Within the study of Protein Structure, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Hydrogen bonds between the CO and NH groups of the backbone directly address what is being asked. Among the other options, Hydrophobic interactions, Van der Waals forces, and Electrostatic interactions between R groups do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.