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- Multiple ChoicePlease save your changes before editing any questions.What is the purpose of an enzyme?give permission for the reactionraise activation energyspeed up reactionscontrol how many reactions occur
- Multiple ChoicePlease save your changes before editing any questions.Where do substrates bind on an enzyme?voltage-gated channelssurface receptorcalcium channelsactive site
- Multiple ChoicePlease save your changes before editing any questions.
What is structure A?SubstrateActive siteEnzymeProducts - Multiple ChoicePlease save your changes before editing any questions.What is structure D?SubstrateActive siteEnzymeProducts
- Multiple ChoicePlease save your changes before editing any questions.Each enzyme only has 1 substrate that will fit its active site. What is this called?reusablecatalystspecificfragile
- Multiple ChoicePlease save your changes before editing any questions.Which of the following conclusions can be drawn from this graph?The optimum pH of the enzyme is 6.6.The optimum pH of the enzyme is 5.8The enzyme’s activity increases as pH increases 5.0 to 9.0The enzyme’s activity is greater around pH of 8.0 .
- Multiple ChoicePlease save your changes before editing any questions.Based on the graph, what is the optimal temperature for this enzyme?15oC40oC30oC35oC
- Multiple ChoicePlease save your changes before editing any questions.In the diagram, what is letter A?productsubstrateenzyme-substrate complexactive site
- Multiple ChoicePlease save your changes before editing any questions.An enzyme speeds up a chemical reaction in the cell but can only be used once. True or False?truefalse
- Multiple ChoicePlease save your changes before editing any questions.What is the function of an enzyme?enzymes break themselves into small piecesenzymes slow down chemical reactionsenzymes speed up chemical reactionsenzymes combine products to form reactants
- Multiple ChoicePlease save your changes before editing any questions.What happens when enzymes are heated to a high temperature?The enzymes die.The shapes of the enzyme are altered denatureThe enzymes' amino acid sequence changes.The enzymes remain the same
- Multiple ChoicePlease save your changes before editing any questions.What is another name for enzymes?chemical catalystsmicroorganismsbiological catalystsinorganic catalysts
- Multiple ChoicePlease save your changes before editing any questions.The pH at which an enzyme is most efficient is called the _________ pH of an enzyme.neutraloptimumminimumexperimental
- Multiple ChoicePlease save your changes before editing any questions.Letter D...active siteenzymesubstrateproducts
- Multiple ChoicePlease save your changes before editing any questions.Letter B...active siteenzymesubstrateproducts
- Multiple ChoicePlease save your changes before editing any questions.Letter C...active siteenzymessubstrateproducts
- Multiple ChoicePlease save your changes before editing any questions.Letter E...active siteenzymesubstrateproducts
- Multiple ChoicePlease save your changes before editing any questions.
What will most likely happen if the correct enzyme is added to a chemical reaction?
The reaction rate will increase
The equilibrium of the reaction will be maintained
The reaction rate will decrease
The reaction will stop
- Multiple ChoicePlease save your changes before editing any questions.What is the name for the mechanism of enzyme activity?Lock and keyjigsaw puzzlehammer and nailtwo hands pattern
- Multiple ChoicePlease save your changes before editing any questions.What is an enzyme?A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reactionA universal solvent that dissolves in liquid such as waterThe process in which atoms or groups of atoms in substances are reorganized into different substancesThe substance that determines whether a chemical reaction takes place
- Multiple ChoicePlease save your changes before editing any questions.Enzymes are mostly made up of what?WaterEnergyProteinGasses
- Multiple ChoicePlease save your changes before editing any questions.The Enzyme-substrate specificity is when a enzyme is specific to the substrate as a key is specific to a certain lockTrueFalse
- Multiple ChoicePlease save your changes before editing any questions.Can enzymes be recycled?YesNo
- Multiple ChoicePlease save your changes before editing any questions.The enzyme substrate complex is when a substrate molecule interacts with the active site of the enzymes.TrueFalse
- Multiple ChoicePlease save your changes before editing any questions.Enzymes can be destroyed by heat, acidity, and inhibitors, so the key would no longer fitsTrueFalse