front 1 The names of most enzymes end with the suffix | back 1 ase |
front 2 Which word describes all the decomposition reaction in the body? | back 2 catabolism |
front 3 Match the names of the parts of the pictured chemical equation AB --> A+B | back 3 Reactant [A B] because this is the starting chemical, it is the reactant. Product [A,B] because this chemical is formed at the end of the product. It is produced by the reaction. |
front 4 Which terms can be applied to most synthesis reaction in the body? | back 4
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front 5 ATP formation is an reaction because energy must be supplied for the reaction to occur | back 5 Endergonic |
front 6 ATP splitting is an reaction because energy is released | back 6 Exergonic |
front 7 A ball rolling across a table exhibits kinetic energy | back 7 Mechanical |
front 8 The reaction pictured is a reaction Co2 + H20 <--> H2Co2 | back 8 Reversible |
front 9 The combination of all catabolic and anabolic chemical reactions is referred to as | back 9 Metabolism |
front 10 The type of potential energy that is stored in a molecule's chemical band is called energy. | back 10 Chemical |
front 11 The reaction pictured is an example of an reaction. Sucrose --> Glucose + Fructose | back 11
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front 12 The reaction picture is a reaction amino acids H20 Dipeptide | back 12
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front 13 A reaction in which electrons are transferred from one chemical structure to another is referred to as an | back 13 Oxidation reduction reaction |
front 14 Light that can be detected by the retina is referred as a | back 14 Visible |
front 15 In an reaction, the products have more energy than the reactants. | back 15 Enderganic |
front 16 A is a method of writing a summary of the changes that occur in a chemical reaction. | back 16 Chemical equation |
front 17 Which terms can be used to classify reactions based on the relative amounts of energy in reactants and products? | back 17
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front 18 If the optimal temp. for an enzyme is significantly exceeded, the enzyme may | back 18 Denature |
front 19 Which of the following determine reaction rate in an enzyme-catalyzed reaction? | back 19
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front 20 The temporary structure formed when an enzyme binds to subtracted is known as an complex. | back 20 enzyme- substrate |
front 21 If an electron and a hydrogen ion are removed from a structure during a chemical reaction, the structure is said to have been | back 21 Oxicized |
front 22 Which of the following terms can be applied to most decomposition reactions in the body? | back 22
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front 23 reactions still occur, but at a much slower rate | back 23 Uncatalyzed |
front 24 Enzymes are biological cataylists | back 24
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front 25 significantly speed up chemical reaction by lowering the activation energy. They do this by binding to the reactants and bringing them together, or splitting them apart. At the end, the catalysts is unchanged and can do the same work again. | back 25 Catalysts |
front 26 chemical reactions: Classification basic on chemical structure: Synthesis | back 26
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front 27 chemical reactions: Classification basic on chemical structure: Decomposition | back 27
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front 28 chemical reactions: Classification basic on chemical structure: Exchange | back 28
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front 29 In an reaction, energy is released. There, the reactants have more energy then the products. | back 29 Exergonic |
front 30 Many synthesis in the body are dehydration reactions but decomposition reactions are not. | back 30 Dehydration |
front 31 reactions absorb energy and yield products rich in potential energy | back 31 Endergonic |
front 32 speed up the reaction | back 32 Catalyst |
front 33 reactions release energy and yield products that contain less potential energy than their reactants | back 33 Exergonic |
front 34 Inhibitors interfere with enzymes | back 34
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front 35 is composed of numerous enzymes to convert a specific substrate to the final product. The product of one enzyme is the substrate for the next enzyme in the pathway. Can be regulated by negative feedback that involves a product that serves as an allosteric inhibitor binding to an enzyme early in the patthway | back 35 Metabolic pathway |
front 36 The energy required to break existing chemical bonds for the chemical reaction to proceed is called | back 36 Activation energy, or Ea |
front 37 An enzyme | back 37
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front 38 A molecule or ion that aids an enzyme to ensure a reaction occurs is known as an | back 38 Cofactor |
front 39 is the collective term for all the synthesis reactions in the body | back 39 Anabolism |
front 40 The law of thermodynamies states that a quantity of energy can't be completely transferred from one form into another | back 40 Second |
front 41 Which type of reaction involves both synthesis and decomposition? | back 41 Exchange |
front 42 If multiple enzymes in a metabolic pathway are physically attached to each other, they form a | back 42 multienzyme complex |
front 43 If a hydrogen ion and an eletron is added to a structure during a chemical reaction, the structure is said to have been | back 43 Reduced |
front 44 Most enzymes are proteins that range is size from 60 to 2500 amino acids | back 44 Globular |
front 45 If further increase in substrate concentration do not result in further increases in reaction rate, than an enzyme is likely | back 45 Saturation |
front 46 In the mnemonic "LEO" says "GER". The acronym "LEO" stands for | back 46 Loses Electrons is Oxidized |
front 47 The movement of ions across a membrane is an example of | back 47 Electrical |
front 48 The vibrating string on a violin imparts kinetic energy to the air around it. | back 48 Sound |
front 49 Which conditions will increase the rate of a chemical reaction? | back 49
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front 50 Most enzymes are capable of catalyzing type of reaction . | back 50 one |
front 51 An binds to a site apart from the active site to prevent an enzyme from catalyzing a reaction. | back 51 Allosteric inhibitor |
front 52 The is the location on an enzyme where the substrate binds | back 52 Active site |
front 53 Which of the following statements correctly describes energy? | back 53
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front 54 Enzyme binds to an enzyme to turn it off, thus preventing it from catalyzing a reaction | back 54 inhibitors |
front 55 If a cofactor is an organic molecule it is also sometimes called an | back 55 Coenzymes |
front 56 The study of energy transformation is called | back 56 Thermodynamics |
front 57 The activation energy of a catalyzed reaction is that of an uncatalyzed reaction | back 57 lower then |
front 58 The site a noncompetitive inhibitor binds to is called an site | back 58 Allosteric |
front 59 Which terms can be used to classify reactions based on the relative amounts of energy in reaction and products? | back 59
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front 60 If the rate of a reaction leads to a net loss of reactants, than the reaction is considered | back 60 irreversible |
front 61 How are metabolic pathways usually regulated? | back 61 negative feedback |
front 62 The type of chemical reaction that occurs when two or more atoms, ions, or molecules combine to form a larger chemical structure is called reaction | back 62 Synthesis |
front 63 are present prior to the start of a chemical reaction | back 63 Reactants |
front 64 Activation energy is only required in endergonic reaction | back 64 false |
front 65 The process of removing a phosphate is | back 65 dephosphorylation |
front 66 A binds to the active site of an enzyme to stop the enzyme from catalyzing a reaction. | back 66 Competitive inhibitor |
front 67 When terms can be applied to most synthesis reactions in the body? | back 67
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front 68 The reaction pictured is an reaction A + B --> AB | back 68 irreversible |
front 69 Place the steps in enzyme action in proper order: | back 69
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front 70 Which is the optimal pH range for most human enzyme? | back 70 6 to 8 |
front 71 Mechanical and electrical energy are both forms of energy | back 71 Kinetic |
front 72 Which is used to measure the heat energy of a substance? | back 72 Temperature |
front 73 are formed during a chemical reaction | back 73 Product |
front 74 Which are forms of radiant energy? | back 74
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front 75 The law of thermodynamics states that energy can neither be created nor destroyed. | back 75 First |
front 76 Which are involved in a chemical reaction? | back 76
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front 77
| back 77 heat |
front 78 A biologically active catalyst is known as | back 78 Enzymes |
front 79 At equilibrium, a reversible reaction proceeds in direction. | back 79 Both |
front 80 Match the class of enzyme with description of its basic function | back 80
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front 81 Which of the following are criteria are for chemical reactions? | back 81
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front 82 Which type of reaction results when a large molecule break down into smaller molecules? | back 82 Decomposition |
front 83 Kinetic energy in the form of electromagnetic waves is known as energy | back 83 radiant |
front 84 Which is a significant factor affecting enzymes reaction rate? | back 84 Temperature |
front 85 Which functions primarily as energy storage in the human body? | back 85
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front 86 A pile of gun power can represent chemical energy, while a flying bullet can represent mechanical energy. | back 86
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