A) speed up B) slow down C) go in different directions D) stop
A) thousands of different enzymes, each prompting a different reaction B) one kind of enzymes that promotes thousands of different chemical reactions 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) break down more starch molecules B) change its shape to adapt to different reactant C) alter equilibrium conditions D) not be reused
A) increasing the temperature B) changing the ionic concentration C) participating in chemical reactions D) lowering the pH
A) increases the concentration of the enzyme B) changes the pH of the system C) alters the active site of the enzyme 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) pH B) temperature C) ionic conditions D) concentration of reactants
A) -ite B) -ase C) -ose D) -ene
A) are affected by temperature and pH B) speed up chemical reactions C) are proteins D) all choices are correct
A) affecting the rate at which reactions occur B) providing the substrate required for the reaction to occur C) combining with excess hydrogen to form gaseous wastes D) absorbing water released when polymers are formed
A) pH of the reaction B) speed of the reaction C) products of the reaction D) temperature of the reaction
A) amount of activation B) pH of the environment energy required C) function of the reactants D) structure of the enzyme
A) reactants B) ions C) enzymes D) sugars
A) equilibrium B) direction C) pH D) rate
A) under low pressure B) at low temperatures C) within a limited pH range D) in a high-saline environment
A) chemical energy B) mechanical energy C) electrical energy D) activation energy
A) the optimum temperature for amylase is 37 degrees C B) amylase is denatured at temperature below 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) active site B) organic molecule C) substrate D) inactive site
A) catalyst B) active site C) inhibitor 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) enzyme specificity B) sharing of electrons C) . pinocytosis D) vacuole formation
A) nucleotides B) lipids C) proteins D) carbohydrates
A) raise the activation energy until a reaction begins B) prevent reactions from occurring spontaneously C) permanently blind to reactants, allowing a reaction to occur D) require activation energy for a reaction to occur
A) protease B) lipid C) galactose D) manganese dioxide
A) number of enzyme molecules present B) size of the substrate molecule C) temperature of the environment of the reaction D) pH of the environment of the reaction |