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