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