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