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