Enzymes Which of the common features are shared between serine and aspartate proteases? Both use a base to activate the nucleophile Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle All of these Both use a base to activate the nucleophile Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle All of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes Enzyme-driven metabolic pathways can be made more efficient by fixing enzymes into membranes so that they are adjacent to each other All of these concentrating enzymes within specific cellular compartments grouping enzymes into free-floating, multienzyme complexes fixing enzymes into membranes so that they are adjacent to each other All of these concentrating enzymes within specific cellular compartments grouping enzymes into free-floating, multienzyme complexes ANSWER DOWNLOAD EXAMIANS APP
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 will still be produced, but not B, C, or D A and B will still be produced, but not C or D A, B, C, and D will all still be produced A, B, and C will still be produced, but not D A will still be produced, but not B, C, or D A and B will still be produced, but not C or D A, B, C, and D will all still be produced A, B, and C will still be produced, but not D ANSWER DOWNLOAD EXAMIANS APP
Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of a protein A and one-subunit a a protein designated B a protein designated A two proteins designated A and B a protein A and one-subunit a a protein designated B a protein designated A two proteins designated A and B ANSWER DOWNLOAD EXAMIANS APP
Enzymes What is the specificity of the Clostripain protease? It cleave after Arg residues It cleave after His residues It cleave after Lys residues None of these It cleave after Arg residues It cleave after His residues It cleave after Lys residues None of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes The role of Asp 102 and His 57 during trypsin catalysis is to keep the specificity pocket open clamp the substrate into the active site neutralize the charge on the other's side chain function as a proton shuttle keep the specificity pocket open clamp the substrate into the active site neutralize the charge on the other's side chain function as a proton shuttle ANSWER DOWNLOAD EXAMIANS APP