In the following reaction, which is/are substrate(s), enzyme, products, allosteric inhibitor(s), negative regulator(s), and reactant(s)? Z A + B → C +D
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- In the following reaction, which is/are substrate(s), enzyme, products, allosteric inhibitor(s), negative regulator(s), and reactant(s)?
Z
A + B → C +D
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- As the amount of substrate is increased in an enzyme-substrate reaction, which of the following will happen? the reaction is inhibited the amount of product increases. enzymes become denatured faster. enzymes work faster. the amount of enzyme also increases proportionally.Which of the following will occur if there is an increase in enzyme or substrate concentration? interfere with the reaction. increase the rate of reaction. decrease the rate of reaction. not change the rate of product produced reduce the rate of product produced.which of the following is a primary function of the active site of an enzyme?
- All of the following are characteristics of the active site of an enzyme EXCEPT? Select the correct response. It has a complementary shape to its substrate. It is the binding site for many different kinds of molecules. It is found somewhere in the interior of the enzyme. It has less water content compared to the cytoplasm.All of the following are characteristics of the active site of an enzyme EXCEPT? It has less water content compared to the cytoplasm. It is found somewhere in the interior of the enzyme. It is the binding site for many different kinds of molecules. It has a complementary shape to its substrate.Amylase is an enzyme found in saliva that breaks down starch. The enzyme is currently functioning at its optimal pH of 7 and optimal temperature of 32oC. Which of the following could result in an increase in the reaction rate? Providing an environment with a pH of 9. Decreasing enzyme concentration. Placing the reactants in an environment at 10oC. Increasing substrate concentration.
- Which of the following affects the rate of enzyme driven reaction? rate constant air pressure concentration of enzyme concentration of substrate light intensity pH temperatureIndicate whether each of the following statements about an enzyme active site is true or false. It is the location where substrate molecules are produced. It always has a fixed, rigid geometry. It always has a geometrical shape exactly complementary to that of substrate. It always accommodates several structurally related substrates. It is the location where substrate molecules are converted to product molecules. It always has a shape that has a degree of flexibility to it. It always accommodates only one specific substrate.Which of the following is not a mechanism that enzymes use to lower the activation energy of a reaction?
- The enzyme activity is: A. to The number of grams of substrate that react to form product, per mole of enzyme, per unit of time. b. The number of moles of substrate that react to form product, per gram of enzyme, per unit time. c. The number of moles of substrate that react to form product, per mole of enzyme, per unit time d. The number of grams of substrate that react to form product, per gram of enzyme, per unit of time.If the shape of an enzyme’s active site were to change, what would happen to the reaction that the enzyme usually speeds up?Which of the following statements are correct about how enzymes accelerate chemical reactions (select all that apply)? A. Enzymes bind substrates to raise their effective concentration B. Enzymes enhance the rate of a chemical reaction C. Enzymes catalyze chemical reactions by destabilizing transition states D. Side chains of protein provide reactive groups that facilitate reaction E. Enzymes shift the equilibrium of a chemical reaction to favor product formation