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