QUESTION 7 All of the following are true about enzymes except: They lower the activation energy for chemical reactions, making them more likely to happen. They are used up by the reaction. Each enzyme works at a specific, optimum pH. Each enzyme is specific to a particular substrate.
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Each of the following are true of enzymes EXCEPT: They can be used over and over. They may or may not require cofactors & coenzymes. Their active site is specific to the substrate. They increase the activation energy of a reaction. In their absence metabolic reaction would go too slowly to sustain life
Syed H.
Which of the following is/are true for activation energy and the functionality of enzymes? (Select all that apply): Enzymes do participate in the reaction. The enzyme is different at the end of the reaction compared to at the start of the reaction. Enzymes do affect the change in free energy (ΔG). Activation energy allows spontaneous chemical reactions to occur within a cell. Induced fit of a substrate brings chemical groups of the active site into positions that enhance their ability to catalyze the reaction. Each enzyme has an optimal temperature and pH in which it can function. Optimal conditions favor the least active shape for the enzyme molecule.
Lainey R.
Which of the following is not true about enzymes? a. They increase the $\Delta G$ of reactions. b. They are usually made of amino acids. c. They lower the activation energy of chemical d. Each one is specific to the particular substrate, or substrates, to which it binds.
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