A) speed up B) go in different directions C) slow down D) stop
A) one enzyme that promotes photosynthesis and one enzymes that promotes cellular respiration B) one kind of enzymes that promotes thousands of different chemical reactions C) approximately 100 kinds of enzymes, each promoting a different chemical reaction D) thousands of different enzymes, each prompting a different reaction
A) alter equilibrium conditions B) change its shape to adapt to different reactant C) break down more starch molecules D) not be reused
A) lowering the pH B) participating in chemical reactions C) increasing the temperature D) changing the ionic concentration
A) neutralizes the acids and bases in the system B) increases the concentration of the enzyme C) alters the active site 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) enzymes are quickly used up D) they have to have some way to use up the protein that they consume
A) temperature B) pH C) ionic conditions D) concentration of reactants
A) -ene B) -ose C) -ite D) -ase
A) speed up chemical reactions B) are proteins C) are affected by temperature and pH 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) speed of the reaction B) temperature of the reaction C) products of the reaction D) pH of the reaction
A) structure of the enzyme B) function of the reactants C) amount of activation D) pH of the environment energy required
A) ions B) sugars C) enzymes D) reactants
A) equilibrium B) direction C) rate D) pH
A) under low pressure B) at low temperatures C) within a limited pH range D) in a high-saline environment
A) activation energy B) mechanical energy C) electrical energy D) chemical 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) organic molecule D) substrate
A) inhibitor B) catalyst C) activation energy D) active site
A) enzymes can only bind to specific substrates B) enzymes are sent to specific substrates by ribosomes C) most enzymes can catalyze many different reactions D) different enzymes are made in specific areas of the cytoplasm
A) . pinocytosis B) sharing of electrons C) enzyme specificity D) vacuole formation
A) nucleotides B) proteins C) lipids D) carbohydrates
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) lipid B) protease C) manganese dioxide D) galactose
A) temperature of the environment of the reaction B) pH of the environment of the reaction C) number of enzyme molecules present D) size of the substrate molecule |