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