Which molecules are not required to express a gene in eukaryotic cells?

It is RNA or protein, also given to the expression level of the gene—a not stable product results in a low expression level. All in all gene expression is regulated through changes in the number and type of interactions between molecules

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls