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