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