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