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