Glycolysis break down glucose into pyruvate
The name given to this portion is INTRON. Intron is a portion of the split gene that is found in pre-RNA transcript which is usually removed for degradation during RNA processing. An intron is a non-coding, intervening portion within the primary transcript and is not needed for genetic coding.
Carbohydrates, Lipids, Proteins, and Nucleic Acids
So they can say the number quicker.