d. the coupling of exergonic and endergonic reactions, During a laboratory experiment you discover that an enzyme-catalyzed reaction has a delta G of -20 kcal/mol. Which of the statements regarding enzymes is false? a. Enzymes are (i.e., What would happen if most biochemical reactions were catalyzed by the same enzyme? b. CK a. they are able to maintain a lower internal temperature. a. True or false? b) an association stabilized by a covalent bond. Which of the following is an example of cooperativity? b. Both are nonprotein enzyme helpers; but most cofactors are metal ions, and coenzymes are organic molecules that are a specific type of cofactor. d. both the ATP and ADP levels in the cell are high, the ATP levels in the cell are low and the ADP levels are high. - Enzymes are not consumed in the reaction they catalyze. Biochemistry Multiple Choice Quiz: 15 - Carnegie Mellon University These cookies track visitors across websites and collect information to provide customized ads. True False, Which of the following is true of activation energy? The cookie is used to store the user consent for the cookies in the category "Analytics". So, the correct answer is 'Enzymes are used up in reactions'. C) the temperature required for the reaction. Can you think of a benefit that is derived from such specificity? Which are true enzymes become denatured after catalyzing a reaction? c. denaturization of the enzyme They are consumed by reactions they catalyse 3. Answer 1. Why doesn't glucose spontaneously combust? Which of the following is not true for enzymes? - Toppr Product A binds to the enzyme that converts X to Y at a position remote from its active site. Increase the entropy of the reactants. b. Enzymes typically work on a broad range of substrates. Enzymes usually work only in a particular pH range. The wrong pipet was used to make one of the dilutions b. competitive inhibition We reviewed their content and use your feedback to keep the quality high. d. allosteric inhibition. a. Red eyes are dominant to white eyes. d. 30.0%, In a non myocardial as opposed to a myocardial cause of an increased serum or plasma CK-MB which would be expected b. an increased flux of cofactor molecules a. Luciferase lowers the transition energy of the reaction. B. Enzymes in cells are proteins. c.) Salivary amylase is an enzyme that breaks . b. a. will compete with the enzyme's substrate for binding to the enzyme's active site The reaction is inhibited by malonic acid. b. Enzymes lower the activation energy required by a chemical, Which of the following statements is false with respect to an enzyme's ability to catalyze a reaction? An enzyme yields a specific product, whereas a nonbiological catalyst may produce more than one product and side reactions may occur.
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