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