Question: Enzyme-driven metabolic pathways can be made more efficient by [A]. concentrating enzymes within specific cellular compartments [B]. grouping enzymes into free-floating, multienzyme complexes [C]. fixing enzymes into membranes so that they are adjacent to each other [D]. All of…
Question: In the enzyme-catalyzed reaction shown below, what will be the effect on substances A, B, C, and D of inactivating the enzyme labeled E2? A —(E1)—> B —(E2)—> C —(E3)—> [A]. A, B, C, and D will all still…
Question: Before they can react, many molecules need to be destabilized. This state is typically achieved through [A]. changing the three-dimensional shape of the molecule [B]. oxidizing the molecules by removing electrons [C]. changing the reaction from a biosynthetic to…
Question: Which of the following statements about enzymes or their function is true? [A]. Enzymes do not alter the overall change in free energy for a reaction [B]. Enzymes are proteins whose three-dimensional form is key to their function [C].…
Biotin is required for the activity of_____________? A. Pyruvate carboxylase B. Lactate dehydrogenase C. Succinate thiokinase D. Phosphohexose isomerase
Mutation in the oxidative enzymes (peroxisomes) could lead to_______________? A. Zellweger’s syndrome B. Gaucher’s disease C. Epidermolysis bullosa D. Leber’s neuropathy
Cofactor required for lipoprotein lipase activity is_______________? A. Apo A-IIB. Apo C-II C. Apo C-III D. Apo B-II
Inactive precursors of enzymes are known as_______________? A. Apoenzymes B. CoenzymesC. Proenzymes D. Holoenzymes
Iron is present in all of the following except_______________? A. Myoglobin B. Cytochrome C. CatalaseD. Pyruvate kinase
Enzymes stored in muscle is________________? A. Alkaline phosphatase B. SGOT C. SGPTD. CPK