Enzymes The role of Asp 102 and His 57 during trypsin catalysis is to keep the specificity pocket open function as a proton shuttle clamp the substrate into the active site neutralize the charge on the other's side chain keep the specificity pocket open function as a proton shuttle clamp the substrate into the active site neutralize the charge on the other's side chain 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 reaction from a biosynthetic to a catabolic pathway changing the three-dimensional shape of the molecule oxidizing the molecules by removing electrons the input of a small amount of activation energy changing the reaction from a biosynthetic to a catabolic pathway changing the three-dimensional shape of the molecule ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following is false statement with regard to comparison between Serine and HIV proteases? Both show specificity for certain amino acid sequences Both forms an acyl-enzyme intermediate Both use nucleophilic attack to hydrolyze the peptide bond Both require water to complete the catalytic cycle Both show specificity for certain amino acid sequences Both forms an acyl-enzyme intermediate Both use nucleophilic attack to hydrolyze the peptide bond Both require water to complete the catalytic cycle ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is both (a) and (b) water Serine Asparagine both (a) and (b) water Serine Asparagine ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following statements about enzymes or their function is true? Enzymes speed up reactions by lowering activation energy All of these 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 Enzymes speed up reactions by lowering activation energy All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Enzymes How is the enzyme COX-1 important in human health? It is a chemical derivative of aspirin It helps to transport carbon dioxide in the blood It is critical for the biosynthesis of DNA It catalyzes the production of hormones that maintain the stomach lining It is a chemical derivative of aspirin It helps to transport carbon dioxide in the blood It is critical for the biosynthesis of DNA It catalyzes the production of hormones that maintain the stomach lining ANSWER DOWNLOAD EXAMIANS APP
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