A) go in different directions B) speed up C) slow down D) stop
A) approximately 100 kinds of enzymes, each promoting a different chemical reaction B) one enzyme that promotes photosynthesis and one enzymes that promotes cellular respiration C) one kind of enzymes that promotes thousands of different chemical reactions D) thousands of different enzymes, each prompting a different reaction
A) alter equilibrium conditions B) change its shape to adapt to different reactant C) break down more starch molecules D) not be reused
A) participating in chemical reactions B) changing the ionic concentration C) increasing the temperature D) lowering the pH
A) alters the active site of the enzyme B) neutralizes the acids and bases in the system C) changes the pH of the system D) increases the concentration 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) concentration of reactants B) pH C) ionic conditions D) temperature
A) -ene B) -ite C) -ose D) -ase
A) all choices are correct B) are affected by temperature and pH C) speed up chemical reactions D) are proteins
A) affecting the rate at which reactions occur B) combining with excess hydrogen to form gaseous wastes C) providing the substrate required for the reaction to occur D) absorbing water released when polymers are formed
A) pH of the reaction B) speed of the reaction C) temperature of the reaction D) products of the reaction
A) amount of activation B) function of the reactants C) structure of the enzyme D) pH of the environment energy required
A) sugars B) reactants C) ions D) enzymes
A) rate B) direction C) equilibrium D) pH
A) under low pressure B) within a limited pH range C) at low temperatures D) in a high-saline environment
A) electrical energy B) chemical energy C) mechanical energy D) activation energy
A) amylase can function only in the small intestine B) the optimum temperature for amylase is 37 degrees C C) the lock-and-key model of enzyme action does not apply to amylase D) amylase is denatured at temperature below 37 degrees C
A) inactive site B) active site C) organic molecule D) substrate
A) active site B) inhibitor C) activation energy D) catalyst
A) most enzymes can catalyze many different reactions B) different enzymes are made in specific areas of the cytoplasm C) enzymes can only bind to specific substrates D) enzymes are sent to specific substrates by ribosomes
A) vacuole formation B) . pinocytosis C) sharing of electrons D) enzyme specificity
A) carbohydrates B) proteins C) nucleotides D) lipids
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) protease B) manganese dioxide C) lipid D) galactose
A) size of the substrate molecule B) pH of the environment of the reaction C) temperature of the environment of the reaction D) number of enzyme molecules present |