A) speed up B) stop C) go in different directions D) slow down
A) one enzyme that promotes photosynthesis and one enzymes that promotes cellular respiration B) thousands of different enzymes, each prompting a different reaction C) approximately 100 kinds of enzymes, each promoting a different chemical reaction D) one kind of enzymes that promotes thousands of different chemical reactions
A) break down more starch molecules B) not be reused C) alter equilibrium conditions D) change its shape to adapt to different reactant
A) changing the ionic concentration B) lowering the pH C) participating in chemical reactions D) increasing the temperature
A) alters the active site of the enzyme B) changes the pH of the system C) increases the concentration 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) 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) ionic conditions B) temperature C) concentration of reactants D) pH
A) -ose B) -ite C) -ene D) -ase
A) all choices are correct B) are proteins C) are affected by temperature and pH D) speed up chemical reactions
A) providing the substrate required for the reaction to occur B) absorbing water released when polymers are formed C) combining with excess hydrogen to form gaseous wastes D) affecting the rate at which reactions occur
A) products of the reaction B) pH of the reaction C) temperature of the reaction D) speed 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) sugars B) ions C) reactants D) enzymes
A) rate B) direction C) equilibrium D) pH
A) at low temperatures B) within a limited pH range C) in a high-saline environment D) under low pressure
A) activation energy B) chemical energy C) electrical 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) substrate B) inactive site C) organic molecule D) active site
A) active site B) catalyst C) inhibitor D) activation energy
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) . pinocytosis B) vacuole formation C) enzyme specificity D) sharing of electrons
A) nucleotides B) proteins C) lipids D) carbohydrates
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) manganese dioxide C) galactose D) lipid
A) pH of the environment of the reaction B) temperature of the environment of the reaction C) size of the substrate molecule D) number of enzyme molecules present |