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