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