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