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