Enzymes 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, B, and C will still be produced, but not D A, B, C, and D will all still be produced A and B will still be produced, but not C or D A will still be produced, but not B, C, or D A, B, and C will still be produced, but not D A, B, C, and D will all still be produced A and B will still be produced, but not C or D A will still be produced, but not B, C, or D ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is both (a) and (b) water Asparagine Serine both (a) and (b) water Asparagine Serine ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following statements about enzymes or their function is true? Enzymes are proteins whose three-dimensional form is key to their function All of these Enzymes speed up reactions by lowering activation energy Enzymes do not alter the overall change in free energy for a reaction Enzymes are proteins whose three-dimensional form is key to their function All of these Enzymes speed up reactions by lowering activation energy Enzymes do not alter the overall change in free energy for a reaction ANSWER DOWNLOAD EXAMIANS APP
Enzymes Before they can react, many molecules need to be destabilized. This state is typically achieved through oxidizing the molecules by removing electrons the input of a small amount of activation energy changing the three-dimensional shape of the molecule changing the reaction from a biosynthetic to a catabolic pathway oxidizing the molecules by removing electrons the input of a small amount of activation energy changing the three-dimensional shape of the molecule changing the reaction from a biosynthetic to a catabolic pathway ANSWER DOWNLOAD EXAMIANS APP
Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of two proteins designated A and B a protein designated A a protein A and one-subunit a a protein designated B two proteins designated A and B a protein designated A a protein A and one-subunit a a protein designated B ANSWER DOWNLOAD EXAMIANS APP
Enzymes Enzyme-driven metabolic pathways can be made more efficient by All of these grouping enzymes into free-floating, multienzyme complexes fixing enzymes into membranes so that they are adjacent to each other concentrating enzymes within specific cellular compartments All of these grouping enzymes into free-floating, multienzyme complexes fixing enzymes into membranes so that they are adjacent to each other concentrating enzymes within specific cellular compartments ANSWER DOWNLOAD EXAMIANS APP