A) slow down B) go in different directions C) speed up D) stop
A) one kind of enzymes that promotes thousands of different chemical reactions B) approximately 100 kinds of enzymes, each promoting a different chemical reaction C) one enzyme that promotes photosynthesis and one enzymes that promotes cellular respiration D) thousands of different enzymes, each prompting a different reaction
A) alter equilibrium conditions B) change its shape to adapt to different reactant C) not be reused D) break down more starch molecules
A) lowering the pH B) changing the ionic concentration C) participating in chemical reactions D) increasing the temperature
A) increases the concentration of the enzyme B) changes the pH of the system C) alters the active site of the enzyme D) neutralizes the acids and bases in the system
A) most cellular reactions require a specific, unique enzyme B) enzymes are quickly used up C) they have to have some way to use up the protein that they consume D) they have to have some way to use up the protein that they consume
A) temperature B) ionic conditions C) pH D) concentration of reactants
A) -ose B) -ase C) -ene D) -ite
A) are affected by temperature and pH B) speed up chemical reactions C) all choices are correct D) are proteins
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) pH of the reaction B) temperature of the reaction C) products of the reaction D) speed of the reaction
A) pH of the environment energy required B) amount of activation C) structure of the enzyme D) function of the reactants
A) ions B) reactants C) sugars D) enzymes
A) equilibrium B) pH C) direction D) rate
A) at low temperatures B) in a high-saline environment C) within a limited pH range D) under low pressure
A) chemical energy B) mechanical energy C) electrical 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 can function only in the small intestine D) amylase is denatured at temperature below 37 degrees C
A) organic molecule B) substrate C) active site D) inactive site
A) activation energy B) inhibitor C) catalyst D) active site
A) enzymes are sent to specific substrates by ribosomes B) enzymes can only bind to specific substrates C) different enzymes are made in specific areas of the cytoplasm D) most enzymes can catalyze many different reactions
A) sharing of electrons B) . pinocytosis C) vacuole formation D) enzyme specificity
A) nucleotides B) carbohydrates C) proteins 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) lipid B) galactose C) manganese dioxide D) protease
A) size of the substrate molecule B) pH of the environment of the reaction C) number of enzyme molecules present D) temperature of the environment of the reaction |