In stars similar in mass to our Sun, what is the dominant sequence for nuclear fusion in the core?

Fusion of four hydrogen nuclei to form one helium nucleus

The defining feature of stellar energy production, particularly in stars comparable to the Sun, is the process where lighter elements fuse into heavier ones. Specifically, the most prevalent reaction sequence involves taking four individual hydrogen nuclei, commonly referred to as protons, and combining them through successive collisions until they merge into a single, more stable helium nucleus. This process is frequently accomplished via the proton-proton chain reaction. While more massive stars might utilize the CNO cycle, where Carbon, Nitrogen, and Oxygen act as catalysts, the fundamental goal remains the conversion of hydrogen into helium to power the star.