Operons allow prokaryotes
a. replicate dna at the appropriate time.
b. avoid mutations.
c. keep their dna organized.
d. conserve energy.

D. Conserve Energy so that only sequences are synthesised when required.

P.s Please don't try to erase the answer just to get your points back
Hope this helped with your class question work :)

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.