A) slow down B) stop C) go in different directions D) speed up
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) approximately 100 kinds of enzymes, each promoting a different chemical reaction D) thousands of different enzymes, each prompting a different reaction
A) change its shape to adapt to different reactant B) alter equilibrium conditions C) break down more starch molecules D) not be reused
A) increasing the temperature B) changing the ionic concentration C) participating in chemical reactions D) lowering the pH
A) alters the active site of the enzyme B) neutralizes the acids and bases in the system C) increases the concentration of the enzyme D) changes the pH of the system
A) most cellular reactions require a specific, unique enzyme B) enzymes are quickly used up 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) concentration of reactants B) ionic conditions C) pH D) temperature
A) -ene B) -ite C) -ase D) -ose
A) all choices are correct B) are affected by temperature and pH C) are proteins 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) ions B) sugars C) enzymes D) reactants
A) pH B) direction C) equilibrium D) rate
A) in a high-saline environment B) within a limited pH range C) at low temperatures D) under low pressure
A) activation energy B) chemical energy C) electrical energy D) mechanical 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) inactive site C) organic molecule D) substrate
A) activation energy B) active site C) inhibitor D) catalyst
A) enzymes are sent to specific substrates by ribosomes B) enzymes can only bind to specific substrates C) most enzymes can catalyze many different reactions D) different enzymes are made in specific areas of the cytoplasm
A) . pinocytosis B) enzyme specificity C) sharing of electrons D) vacuole formation
A) proteins B) nucleotides C) lipids D) carbohydrates
A) permanently blind to reactants, allowing a reaction to occur B) prevent reactions from occurring spontaneously C) raise the activation energy until a reaction begins D) require activation energy for a reaction to occur
A) protease B) galactose C) manganese dioxide D) lipid
A) size of the substrate molecule B) number of enzyme molecules present C) temperature of the environment of the reaction D) pH of the environment of the reaction |