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