A) go in different directions B) slow down C) stop D) speed up
A) one enzyme that promotes photosynthesis and one enzymes that promotes cellular respiration B) one kind of enzymes that promotes thousands of different chemical reactions 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) changing the ionic concentration C) participating in chemical reactions D) lowering the pH
A) changes the pH of the system B) increases the concentration of the enzyme C) neutralizes the acids and bases in 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) ionic conditions B) temperature C) pH D) concentration of reactants
A) -ose B) -ase C) -ene D) -ite
A) are proteins B) all choices are correct C) are affected by temperature and pH 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) products of the reaction B) speed of the reaction C) pH of the reaction D) temperature of the reaction
A) amount of activation B) structure of the enzyme C) pH of the environment energy required D) function of the reactants
A) sugars B) reactants C) enzymes D) ions
A) rate B) equilibrium C) pH D) direction
A) in a high-saline environment B) under low pressure C) at low temperatures D) within a limited pH range
A) mechanical energy B) activation energy C) electrical energy D) chemical energy
A) the optimum temperature for amylase is 37 degrees C B) the lock-and-key model of enzyme action does not apply to amylase C) amylase can function only in the small intestine D) amylase is denatured at temperature below 37 degrees C
A) inactive site B) active site C) organic molecule D) substrate
A) catalyst B) inhibitor C) activation energy D) active site
A) most enzymes can catalyze many different reactions B) enzymes can only bind to specific substrates C) different enzymes are made in specific areas of the cytoplasm D) enzymes are sent to specific substrates by ribosomes
A) enzyme specificity B) sharing of electrons C) . pinocytosis D) vacuole formation
A) nucleotides B) lipids C) carbohydrates D) proteins
A) permanently blind to reactants, allowing a reaction to occur B) require activation energy for a reaction to occur C) prevent reactions from occurring spontaneously D) raise the activation energy until a reaction begins
A) galactose B) manganese dioxide C) lipid D) protease
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 |