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