A) slow down B) speed up C) go in different directions D) stop
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) change its shape to adapt to different reactant B) not be reused C) break down more starch molecules D) alter equilibrium conditions
A) participating in chemical reactions B) lowering the pH C) changing the ionic concentration D) increasing the temperature
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) 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) pH B) temperature C) ionic conditions D) concentration of reactants
A) -ene B) -ite C) -ase D) -ose
A) speed up chemical reactions B) all choices are correct C) are proteins D) are affected by temperature and pH
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) speed of the reaction B) products of the reaction C) pH of the reaction D) temperature 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) ions C) enzymes D) sugars
A) direction B) pH C) rate D) equilibrium
A) under low pressure B) in a high-saline environment C) at low temperatures D) within a limited pH range
A) electrical energy B) chemical energy C) activation energy D) mechanical energy
A) the optimum temperature for amylase is 37 degrees C B) the lock-and-key model of enzyme action does not apply to amylase C) amylase is denatured at temperature below 37 degrees C D) amylase can function only in the small intestine
A) inactive site B) active site C) substrate D) organic molecule
A) catalyst B) inhibitor C) active site D) activation energy
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) . pinocytosis B) enzyme specificity C) vacuole formation D) sharing of electrons
A) carbohydrates B) nucleotides C) proteins D) lipids
A) permanently blind to reactants, allowing a reaction to occur B) prevent reactions from occurring spontaneously C) raise the activation energy until a reaction begins D) require activation energy for a reaction to occur
A) protease B) galactose C) manganese dioxide D) lipid
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 |