A) speed up B) go in different directions C) slow down D) stop
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) 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) 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) most cellular reactions require a specific, unique enzyme B) they have to have some way to use up the protein that they consume C) they have to have some way to use up the protein that they consume D) enzymes are quickly used up
A) temperature B) pH C) concentration of reactants D) ionic conditions
A) -ase B) -ene C) -ose D) -ite
A) are affected by temperature and pH B) are proteins C) speed up chemical reactions D) all choices are correct
A) combining with excess hydrogen to form gaseous wastes B) providing the substrate required for the reaction to occur C) affecting the rate at which reactions occur D) absorbing water released when polymers are formed
A) temperature of the reaction B) speed of the reaction C) products of the reaction D) pH of the reaction
A) amount of activation B) structure of the enzyme C) function of the reactants D) pH of the environment energy required
A) sugars B) enzymes C) reactants D) ions
A) rate B) equilibrium C) pH D) direction
A) in a high-saline environment B) within a limited pH range C) at low temperatures D) under low pressure
A) electrical energy B) chemical energy C) activation energy D) mechanical energy
A) amylase can function only in the small intestine 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 is denatured at temperature below 37 degrees C
A) organic molecule B) active site C) inactive site D) substrate
A) catalyst B) activation energy C) active site D) inhibitor
A) different enzymes are made in specific areas of the cytoplasm B) enzymes can only bind to specific substrates C) most enzymes can catalyze many different reactions D) enzymes are sent to specific substrates by ribosomes
A) vacuole formation B) . pinocytosis C) enzyme specificity D) sharing of electrons
A) nucleotides B) carbohydrates C) lipids D) proteins
A) prevent reactions from occurring spontaneously B) require activation energy for a reaction to occur C) permanently blind to reactants, allowing a reaction to occur D) raise the activation energy until a reaction begins
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 |