A) stop B) slow down C) speed up D) go in different directions
A) thousands of different enzymes, each prompting a different reaction B) one kind of enzymes that promotes thousands of different chemical reactions C) one enzyme that promotes photosynthesis and one enzymes that promotes cellular respiration D) approximately 100 kinds of enzymes, each promoting a different chemical 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) lowering the pH C) changing the ionic concentration D) increasing the temperature
A) increases the concentration of the enzyme B) changes the pH of the system C) neutralizes the acids and bases in the system D) alters the active site of the enzyme
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) temperature B) ionic conditions C) concentration of reactants D) pH
A) -ase B) -ene C) -ose D) -ite
A) are proteins B) all choices are correct C) are affected by temperature and pH D) speed up chemical reactions
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) products of the reaction B) temperature of the reaction C) pH of the reaction D) speed of the reaction
A) amount of activation B) function of the reactants C) pH of the environment energy required D) structure of the enzyme
A) reactants B) sugars C) ions D) enzymes
A) equilibrium B) direction C) pH D) rate
A) under low pressure B) within a limited pH range C) in a high-saline environment D) at low temperatures
A) activation energy B) chemical energy C) mechanical energy D) electrical energy
A) the lock-and-key model of enzyme action does not apply to amylase B) the optimum temperature for amylase is 37 degrees C C) amylase is denatured at temperature below 37 degrees C D) amylase can function only in the small intestine
A) substrate B) active site C) inactive site D) organic molecule
A) activation energy B) inhibitor C) catalyst D) active site
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) . pinocytosis C) sharing of electrons D) enzyme specificity
A) nucleotides B) lipids C) proteins D) carbohydrates
A) permanently blind to reactants, allowing a reaction to occur B) raise the activation energy until a reaction begins C) require activation energy for a reaction to occur D) prevent reactions from occurring spontaneously
A) manganese dioxide B) lipid C) galactose D) protease
A) size of the substrate molecule B) pH of the environment of the reaction C) number of enzyme molecules present D) temperature of the environment of the reaction |