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