Introduction To General, Organic, And Biochemistry
12th Edition
ISBN: 9781337571357
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Textbook Question
Chapter 22, Problem 39P
1 After a heart attack, the levels of certain enzymes rise in the serum. Which enzyme would you monitor within 24 hours following a suspected heart attack?
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Chapter 22 Solutions
Introduction To General, Organic, And Biochemistry
Ch. 22.1 - Prob. 22.1QCCh. 22.2 - Prob. 22.2QCCh. 22.3 - Prob. 22.3QCCh. 22.4 - Which of the following is true regarding enzymes?...Ch. 22.5 - Match the description of the enzyme process with...Ch. 22 - What is the difference between a catalyst and an...Ch. 22 - What are ribozymes made of?Ch. 22 - Would a lipase hydrolyze two triglycerides, one...Ch. 22 - Compare the activation energy in uncatalyzed...Ch. 22 - Prob. 5P
Ch. 22 - Prob. 6PCh. 22 - Prob. 7PCh. 22 - Monoamine oxidases are important enzymes in brain...Ch. 22 - Prob. 9PCh. 22 - 0 What kind of reaction does each of the following...Ch. 22 - Prob. 11PCh. 22 - In most enzyme-catalyzed reactions, the rate of...Ch. 22 - 5 At a very low concentration of a certain...Ch. 22 - 6 If we wish to double the rate of an...Ch. 22 - 7 A bacterial enzyme has the following...Ch. 22 - 8 The optimal temperature for the action of...Ch. 22 - 9 The activity of pepsin was measured at various...Ch. 22 - Prob. 18PCh. 22 - Prob. 19PCh. 22 - Prob. 20PCh. 22 - Prob. 21PCh. 22 - 4 What kind of chemical reaction occurs most...Ch. 22 - 5 Which of the following is a correct statement...Ch. 22 - Prob. 24PCh. 22 - 7 Enzymes are long protein chains, usually...Ch. 22 - Prob. 26PCh. 22 - Prob. 27PCh. 22 - 0 Can the product of a reaction that is part of a...Ch. 22 - 1 What is the difference between a zymogen and a...Ch. 22 - 2 The enzyme trypsin is synthesized by the body in...Ch. 22 - Prob. 31PCh. 22 - Prob. 32PCh. 22 - Prob. 33PCh. 22 - Prob. 34PCh. 22 - Prob. 35PCh. 22 - Prob. 36PCh. 22 - Prob. 37PCh. 22 - Prob. 38PCh. 22 - 1 After a heart attack, the levels of certain...Ch. 22 - Prob. 40PCh. 22 - Prob. 41PCh. 22 - Prob. 42PCh. 22 - 5 Chemists who have been exposed for years to or...Ch. 22 - 6 Which enzyme preparation is given to patients...Ch. 22 - 7 Chymotrypsm is secreted by the pancreas and...Ch. 22 - Prob. 46PCh. 22 - Prob. 47PCh. 22 - Prob. 48PCh. 22 - Prob. 49PCh. 22 - Prob. 50PCh. 22 - Prob. 51PCh. 22 - Prob. 52PCh. 22 - Prob. 53PCh. 22 - Prob. 54PCh. 22 - Prob. 55PCh. 22 - Prob. 56PCh. 22 - Prob. 57PCh. 22 - Prob. 58PCh. 22 - Prob. 59PCh. 22 - Prob. 60PCh. 22 - 1 Food can be preserved by inactivation of enzymes...Ch. 22 - Prob. 62PCh. 22 - 3 Would you expect to find active digestive...Ch. 22 - Prob. 64PCh. 22 - Prob. 65PCh. 22 - Prob. 66PCh. 22 - 7 An enzyme has the following pH dependence: At...Ch. 22 - Prob. 68PCh. 22 - Prob. 69PCh. 22 - 0 Nerve gases operate by forming covalent bonds at...Ch. 22 - 1 What would be the appropriate name for an enzyme...Ch. 22 - Prob. 72PCh. 22 - 3 A liver enzyme is made of four subunits: 2A and...Ch. 22 - Prob. 74PCh. 22 - Prob. 75PCh. 22 - Prob. 76PCh. 22 - Prob. 77PCh. 22 - Prob. 78PCh. 22 - Prob. 79PCh. 22 - Prob. 80PCh. 22 - Prob. 81P
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- Describe the difference between graphs showing temperature versus reaction rate for an enzyme-catalyzed reaction and an uncatalyzed reaction.arrow_forwardWhy are enzymes that are used for laboratory or clinical work stored in refrigerators?arrow_forwardList two ways that enzyme catalysis of a reaction is superior to normal conditions.arrow_forward
- The site on an enzyme molecule that does the catalytic work is called the: a. binding site. b. allosteric site. c. lock. d. active site.arrow_forwarda Using the energy diagram that follows, estimate the activation energy and the heat of reaction. Energy (kcal) 35 30 25 20 15 10 5 0 Progress of reaction (Enter your answer to two significant figures.) Activation energy: Heat of the reaction: kcal kcalarrow_forwardAdd a curve to the graph showing how it would be changed when catalyzed by an enzyme. (No need to submit your drawing). Using the same numbering system as the original figure, select the number(s) that would now have different values in your picture. 1 2 3 4arrow_forward
- The image at right shows which of the following aspects of enzymatic catalysis? the lock and key model of catalysis the induced fit model of catalysis allosteric activation of the enzyme the formation of the catalytically competent ES complex a favorable interaction of the substrate with the enzyme active site Substrate Enzyme E-S complexarrow_forwardEnzymes are categorized by the types of reactions that they catalyze. An enzyme that catalyzes the reaction shown below would be a HO HO CH3 مصر A) isomerase B) ligase C) hydrolase CH3 D) oxidoreductase E) transferase CH3 CH3 CH3 CH3 CH3 CH3arrow_forwardEnzymes do not require activation energy do not change requirment of activation energu increase requirment of activation energy lowest requirment of activation energy zymogen enzyme poison enzyme modulator enzyme precursor enzyme inhibitorarrow_forward
- Label the diagram on the following slide: • 1. substrates • 2. products • 3. energy of activation without enzyme • 4. energy of activation with enzyme • 5. Which has more energy in this reaction, the substrates or the products? • 6. What happens to the difference in energy during the reaction How does an enzyme make go aster? a chemical reaction A+8 -→C+D A+B Energy Ccakres) CtD Time (min)arrow_forwardthe conversion of the amino acid phenylalanine into non-harmful tyrosine is mutated and doesn't work as well (or at all). Phenylalanine will still break down into tyrosine by itself, ol because this is a favorable reaction. Why is the non-functional enzyme a problem? Explain in a few sentences. 3. The disease Phenylketonuria (or PKU) occurs when the enzyme that helps to catalyze O p HOo (pn) O pe oHe avl lls sew.i Snde (a)H noitas on ol woisd sidst nos stolgno ta T b e sd linw ps fertt sro.nalom ni encbeono mundiups sis novi 2noitetnono uTeeg os s oulev THI utinogmet cseo.o 8880 4. Consider the following reaction, which is exothermic: C2H4 (g) + Br2 (g) → C2H¾Br2 (g) ΔΗ< Predict the effect of each of the following perturbations (shift right/products, shift left/reactants, or no effect) using Le Chatelier's principle a. The reaction temperature is increased: b. The reaction volume is decreased: C. More bromine gas is added: d. The reaction is done in the presence of helium: e. C2H4BR2…arrow_forwardA catalyst increases the reaction rate by: Without enzyme With enzyme A+B Time AB O Lowering the activation energy required by the products Lowering the activation energy required by the reactants O Both of the above Released Energy Usedarrow_forward
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