Enzymes Before they can react, many molecules need to be destabilized. This state is typically achieved through changing the three-dimensional shape of the molecule the input of a small amount of activation energy oxidizing the molecules by removing electrons changing the reaction from a biosynthetic to a catabolic pathway changing the three-dimensional shape of the molecule the input of a small amount of activation energy oxidizing the molecules by removing electrons changing the reaction from a biosynthetic to a catabolic pathway ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the common features are shared between serine and aspartate proteases? Both require water to complete the catalytic cycle Both show specificity for certain amino acid sequences Both use a base to activate the nucleophile All of these Both require water to complete the catalytic cycle Both show specificity for certain amino acid sequences Both use a base to activate the nucleophile All of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following statements about enzymes or their function is true? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is water Serine Asparagine both (a) and (b) water Serine Asparagine both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Enzymes The cleavage specificity of trypsin and chymotrypsin depend in part on the presence of a low-barrier hydrogen bond in the active site or specificity pocket absence of water in the active site proximity of Ser 195 to the active site or specificity pocket size, shape, and charge of the active site or specificity pocket presence of a low-barrier hydrogen bond in the active site or specificity pocket absence of water in the active site proximity of Ser 195 to the active site or specificity pocket size, shape, and charge of the active site or specificity pocket ANSWER DOWNLOAD EXAMIANS APP
Enzymes Common feature in all serine proteases is a hydrophilic specificity pocket cluster of reactive serine residues single reactive serine residue hydrophobic specificity pocket hydrophilic specificity pocket cluster of reactive serine residues single reactive serine residue hydrophobic specificity pocket ANSWER DOWNLOAD EXAMIANS APP
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