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