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