a. a. Allosteric inhibitors and allosteric activators are competitive for a given enzyme. B. Allosteric regulations are often end products of a biochemical pathway. Which of the following statements about enzymes is true? B. Nitrosomonas and Nitrobacter are chemoautotrophs. D. Enzymes often induce shape changes in the molecules to which they bind. Enzymes change the direction of chemical reactions. Select one: a. peristalsis. C) Enzymes increase the rate of a reaction by reducing the rate of reverse reactions. d. Enzymes are permanently altered by the reactions they catalyze. An enzyme with lower K\text{}_{m} m. start text, end text, start subscript, m, end subscript . Which of the following statements regarding enzymes is true a Enzymes decrease from SCIENCE 854552 at Sunway University College Which of the following statements about inhibition is true? 0. 34) Which of the following statements regarding enzymes is true? Which of the following will be true regarding enzymes saturated with substrate? View solution. a)Enzymes are unaltered by the chemical reactions they catalyze and can be used repeatedly b) Enzymes can only catalyze reactions at a certain rate; so enzymatic reactions exhibit saturation dependent on the number of enzymes present. B) Enzymes increase the rate of a reaction by lowering the activation energy barrier. hydrolysis. E. Enzymes help initiate chemical reactions. a) They contain haem and magnesium. Enzymes increase the rate of a reaction. d. Enzymes are permanently altered by the reactions they catalyze. A. Which of the following statements regarding enzymes is true? ____ 71. C) Enzymes increase the rate of a reaction by reducing the rate of reverse reactions. The conversion of maltose into glucose is possible by the enzyme: View solution. C. Enzymes speed up chemical reactions. Enzymes are specific to specific chemical reactions. They are not always proteins They do not involve Van der Waal interactions They are highly specific They only have primary and secondary structure 25. b. Bile. Which of the following statements regarding enzymes is true? O All enzymes depend on protein cofactors to function O Enzymes catalyze specific reactions by lowering the activation energy O An enzyme's function is unaffected by changes in pH O Enzymes are inorganic Enzymes are the reactants in a chemical reaction It is a serine-threonine kinase. Question 3. The liver produces _____ and the gallbladder stores it. C) Most restriction enzymes recognize palindromic sequences in host DNA. Which of the following statements regarding enzyme function is false? C. Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme. If an inhibitor binds the active site, it is considered noncompetitive. Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein . A) Enzymes increase the rate of a reaction by making the reaction more exergonic. a) True b) False Question 7 Which one of the following statements regarding V max and K M is false? a. Enzymes decrease the free energy change of a reaction. c) It… Which of the following statements is not true about enzyme inhibitors? An enzyme's function depends on its three-dimensional shape. D) Enzymes change the equilibrium point of the reactions they catalyze. Enzymes break apart molecules during digestion by a chemical process known as _____. c. Enzymes change the direction of chemical reactions. answer choices . Which of the following statements regarding enzymes is true? B) Enzymes increase the rate of a reaction by lowering the activation energy barrier. 5. Which of the following statements about enzymes is true? Which of the following statements regarding enzyme inhibition is correct ? Enzymes prevent changes in substrate concentrations. A. Enzymes are proteins. a) ... Gram negative bacteria can concentrate β-lactamase enzymes in the periplasmic space d) Gram negative bacteria produce smaller quantities of transpeptidase enzyme Question 9 What role does the acetoxy group at the 3-position of cephalosporins have in enhancing antibacterial activity? A) Most restriction enzymes recognize sequences of 20-25 bp in length. Insulin production Enzyme production Fat metabolism Carbohydrate metabolism 24. B. 8 months ago. True or false? E) Enzymes prevent changes in substrate concentrations. At saturating levels of substrate, a competitive inhibitor will affect the reaction rate more than a non-competitive inhibitor. Enzymes are also called biocatalyst ? c. Enzymes change the direction of chemical reactions. C. Anabaena and Nostoc are capable of fixing nitrogen in free-living state also. d. It is activated by ATP. View solution. A) Enzymes decrease the free energy change of a reaction. An enzyme gretly reduces the activation energy $ ({{E}_{A}}) $ necessary to initiate a chemical reaction.
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