Fill in the blank. Both ATP and citric acid are allosteric inhibitors of the phosphofructokinase enzyme. High levels of these compounds indicate that ________________.

MCQS on the biological importance of organic molecules. Topics include bioorganic mechanisms, chirality, lipids, carbohydrates, animo acids, peptides, proteins, nucleic acids, enzymes, coenzymes, and coupled reactions, and lipid, carbohydrate, amino acid, and nucleotide metabolism.