Enzymes increase the rate of a chemical reaction by providing an alternative path with a lower activation energy. True False
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- ________ are always changed by participating in a reaction. a. Enzymes c. Reactants b. Cofactors d. CoenzymesPREDICT In the following reaction series, which enzyme(s) is/are most likely to have an allosteric site to which the end product E binds? (a) enzyme 1 (b) enzyme 2 (c) enzyme 3 (d) enzyme 4 (e) enzymes 3 and 4The capacity to do work best defines: a metabolic pathway. entropy. kinetic or potential energy. a chemical equilibrium. thermodynamics.
- Enzymes catalyze the rapid formation of product by: lowering the Gibbs free energy of the product raising the Gibbs free energy of the substrate lowering the activation energy between the substrate and the product raising the activation energy between the substrate and the product changing the AG (the change in Gibbs free energy) of the reactionUse the following information to answer the question(s) below. A series of enzymes catalyze the reaction X→Y→ Z → A. Product A binds to the enzyme that converts X to Y at a position remote from its active site. This binding decreases the activity of the enzyme. With respect to the enzyme that converts X to Y, substance A functions as an allosteric inhibitor a competitive inhibitor the substrate an intermediate a coenzymeClassify the items as competitive or noncompetitive inhibitors for control of enzyme action. Bind to the allosteric site on the enzyme Not influenced by the concentration of substrate Resemble the substrate Do not resemble thhe substrate Bind to active site of the enzyme
- enzymes speed up reactions by lowering the activation energy of a reaction. this is comparable withWhich of the following is not a mechanism that enzymes use to lower the activation energy of a reaction?Generate a concept map using the following terms: Substrate Reactant Enzyme Catalyst Product Induced fit Enzyme-Substrate Complex Activation Energy Metabolism Metabolic pathway Feedback Inhibition Active Site.
- Which image depicts the exergonic reaction spontaneously moves forward with the use of an enzyme? - Uncatalyzed - Catalyzed Reactant Reactant Product Product A Both O A Neither Energy released Energy suppliedEnzymes have a specific 3D structure that matches with the reaction substrates. True FalseExplain with an example the statement: Enzymes enhance reactions but are not consumed in the reaction.