A) slow down B) go in different directions C) speed up D) stop
A) one kind of enzymes that promotes thousands of different chemical reactions B) approximately 100 kinds of enzymes, each promoting a different chemical reaction C) one enzyme that promotes photosynthesis and one enzymes that promotes cellular respiration D) thousands of different enzymes, each prompting a different 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) increasing the temperature B) changing the ionic concentration C) participating in chemical reactions D) lowering the pH
A) neutralizes the acids and bases in the system B) increases the concentration of the enzyme C) changes the pH of 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) 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) temperature B) ionic conditions C) concentration of reactants D) pH
A) -ase B) -ene C) -ose D) -ite
A) speed up chemical reactions B) all choices are correct C) are affected by temperature and pH D) are proteins
A) providing the substrate required for the reaction to occur B) absorbing water released when polymers are formed C) combining with excess hydrogen to form gaseous wastes D) affecting the rate at which reactions occur
A) products of the reaction B) pH of the reaction C) speed 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) enzymes B) sugars C) reactants D) ions
A) direction B) rate C) pH D) equilibrium
A) in a high-saline environment B) within a limited pH range C) at low temperatures D) under low pressure
A) chemical energy B) activation energy C) mechanical energy D) electrical 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) organic molecule B) substrate C) active site D) inactive site
A) active site B) inhibitor C) catalyst D) activation energy
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) lipids B) proteins C) nucleotides D) carbohydrates
A) raise the activation energy until a reaction begins B) prevent reactions from occurring spontaneously C) require activation energy for a reaction to occur D) permanently blind to reactants, allowing a reaction to occur
A) protease B) galactose C) lipid D) manganese dioxide
A) number of enzyme molecules present B) size of the substrate molecule C) pH of the environment of the reaction D) temperature of the environment of the reaction |