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