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- Multiple ChoicePlease save your changes before editing any questions.
This reaction shows a(n) ____________ reactionCatabolicAnabolicDehydration SynthesisHalogenation - Multiple ChoicePlease save your changes before editing any questions.The area that the substrate fits into on the enzyme is called the:Active SiteAllosteric SiteDiSulphide Bridgeβ-Pleated Sheet
- Multiple ChoicePlease save your changes before editing any questions.The current model of enzyme action is referred to as the:Induced Fit ModelLock & Key ModelSinger-Nicolson ModelDavson-Danielli Model
- Multiple ChoicePlease save your changes before editing any questions.Enzymes catalyze reactions by ___________ Activation Energy.IncreasingDecreasing
- Multiple ChoicePlease save your changes before editing any questions.Enzymes speed up reaction rates by changing:Activation EnergypHHydrogen BondsKinetic Energy
- Multiple ChoicePlease save your changes before editing any questions.At high temperatures enzyme activity declines because of:DenaturationDecreased Kinetic MotionIncreased H-BondingDissociation of Ionic Compounds
- Multiple ChoicePlease save your changes before editing any questions.At low temperatures enzyme activity declines because of:DenaturationDecreased Kinetic MotionIncreased H-BondingDissociation of Ionic Compounds
- Multiple ChoicePlease save your changes before editing any questions.Most enzymes have the ending:-ase-ose-ic acid-ate
- Multiple ChoicePlease save your changes before editing any questions.The molecule an enzyme is working on is called the:SubstrateSolventAllosteric InhibitorCoEnzyme
- Multiple ChoicePlease save your changes before editing any questions.When a molecule can occupy the same active site as the substrate, a situation called __________________ can resultCompetitive lnhibitionAllosteric RegulationNon-Competitive InhibitionFeedback Inhibition
- Multiple ChoicePlease save your changes before editing any questions.A receptor site that a molecule can bind to that changes the shape of the active site is called a(n):Allosteric SiteActive SiteDiSulphide BridgeMHC Receptor
- Multiple ChoicePlease save your changes before editing any questions.A molecule binds to an enzyme and opens the active site so it can bind to the substrate. This is called:Allosteric ActivationAllosteric InhibitionCompetitive ActivationCompetitive Inhibition
- Multiple ChoicePlease save your changes before editing any questions.A molecule binds to an enzyme and decreases the ability of the active site to bind to the substrate. This is called:Allosteric ActivationAllosteric InhibitionCompetitive ActivationCompetitive Inhibition
- Multiple ChoicePlease save your changes before editing any questions.Molecules that bind to enzymes and enhance an enzyme's ability are called:CoFactorsCoEnzymesAllosteric InhibitorsAllosteric Activators
- Multiple ChoicePlease save your changes before editing any questions.Organic molecules that temporarily bind to enzymes and enhance an enzyme's ability are called:CoFactorsCoEnzymesAllosteric InhibitorsAllosteric Activators
- Multiple ChoicePlease save your changes before editing any questions.This type of reaction is a:Dehydration SynthesisNeutralizationRedOx ReactionPhosphorylation
- Multiple ChoicePlease save your changes before editing any questions.A reaction where electrons are moved around is a:NeutralizationHydrolysisRedOx ReactionPhosphorylation
- Multiple ChoicePlease save your changes before editing any questions.An enzyme that changes glucose into fructose would be a(n):IsomeraseLyaseOxidoreductaseTransferase
- Multiple ChoicePlease save your changes before editing any questions.Which explanation best fits the graph for pH's effect on an enzyme?As the pH gets closer to neutral more H-Bonds are brokenLarger numbers of H+ & OH- ions distort the active siteThere are more collisions between substrates and active sites near the optimal pHLow pHs cause more H-Bonds to happen near the active site
- Multiple ChoicePlease save your changes before editing any questions.What enzyme is likely to catalyze this reaction?KinaseOxidoReductaseIsomeraseTransferase