A) slow down B) go in different directions C) stop D) speed up
A) one enzyme that promotes photosynthesis and one enzymes that promotes cellular respiration B) approximately 100 kinds of enzymes, each promoting a different chemical reaction C) thousands of different enzymes, each prompting a different reaction D) one kind of enzymes that promotes thousands of different chemical reactions
A) break down more starch molecules B) change its shape to adapt to different reactant C) not be reused D) alter equilibrium conditions
A) increasing the temperature B) lowering the pH C) participating in chemical reactions D) changing the ionic concentration
A) increases the concentration of the enzyme B) neutralizes the acids and bases in the system C) alters the active site of the enzyme D) changes the pH of the system
A) enzymes are quickly used up B) they have to have some way to use up the protein that they consume C) most cellular reactions require a specific, unique enzyme D) they have to have some way to use up the protein that they consume
A) concentration of reactants B) temperature C) ionic conditions D) pH
A) -ase B) -ose C) -ite D) -ene
A) all choices are correct B) are affected by temperature and pH C) speed up chemical reactions D) are proteins
A) providing the substrate required for the reaction to occur B) combining with excess hydrogen to form gaseous wastes C) affecting the rate at which reactions occur D) absorbing water released when polymers are formed
A) temperature of the reaction B) products of the reaction C) pH of the reaction D) speed of the reaction
A) pH of the environment energy required B) function of the reactants C) amount of activation D) structure of the enzyme
A) enzymes B) reactants C) ions D) sugars
A) rate B) equilibrium C) direction D) pH
A) within a limited pH range B) at low temperatures C) under low pressure D) in a high-saline environment
A) activation energy B) electrical energy C) mechanical energy D) chemical energy
A) the lock-and-key model of enzyme action does not apply to amylase B) amylase can function only in the small intestine C) the optimum temperature for amylase is 37 degrees C D) amylase is denatured at temperature below 37 degrees C
A) substrate B) active site C) organic molecule D) inactive site
A) catalyst B) active site C) inhibitor D) activation energy
A) different enzymes are made in specific areas of the cytoplasm B) enzymes are sent to specific substrates by ribosomes C) most enzymes can catalyze many different reactions D) enzymes can only bind to specific substrates
A) sharing of electrons B) enzyme specificity C) . pinocytosis D) vacuole formation
A) proteins B) lipids C) nucleotides D) carbohydrates
A) raise the activation energy until a reaction begins B) require activation energy for a reaction to occur C) prevent reactions from occurring spontaneously D) permanently blind to reactants, allowing a reaction to occur
A) galactose B) manganese dioxide C) protease D) lipid
A) number of enzyme molecules present B) temperature of the environment of the reaction C) size of the substrate molecule D) pH of the environment of the reaction |