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 and B will still be produced, but not C or D A, B, and C will still be produced, but not D A will still be produced, but not B, C, or D A, B, C, and D will all still be produced A and B will still be produced, but not C or D A, B, and C will still be produced, but not D A will still be produced, but not B, C, or D A, B, C, and D will all still be produced ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the common features are shared between serine and aspartate proteases? All of these Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle Both use a base to activate the nucleophile All of these Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle Both use a base to activate the nucleophile 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 Enzymes speed up reactions by lowering activation energy Enzymes do not alter the overall change in free energy for a reaction All of these Enzymes are proteins whose three-dimensional form is key to their function Enzymes speed up reactions by lowering activation energy Enzymes do not alter the overall change in free energy for a reaction All of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes Common feature in all serine proteases is a hydrophilic specificity pocket hydrophobic specificity pocket single reactive serine residue cluster of reactive serine residues hydrophilic specificity pocket hydrophobic specificity pocket single reactive serine residue cluster of reactive serine residues 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 A two proteins designated A and B a protein designated B a protein A and one-subunit a a protein designated A two proteins designated A and B a protein designated B ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is Asparagine Serine both (a) and (b) water Asparagine Serine both (a) and (b) water ANSWER DOWNLOAD EXAMIANS APP
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