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