Which of the Following Statements Is True Concerning Enzymatic Activity

Temperature has no impact on enzymatic activity. A product of a pathway serves as a competitive inhibitor of an early enzyme in the pathway.

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Which of the following statements about enzymes is false.

. Which Of The Following Statements About Enzymes Is True. Think pair and share All of the following statements regarding amylase are true except. For example thrombin catalyzes the hydrolysis of the peptide bond between arg and gly.

Without coenzymes enzymes cannot catalyze responses successfully. An active site is normally on the surface of an enzyme. Below a certain temperature an enzyme will become denatured.

Eg pepsin of gastric juice has its optimum at pH 2 acidic whereas trypsin of pancreatic juice shows maximum activity by at pH 88 alkaline. Which of the following statements regarding enzymes is true. The following Lineweaver-Burk plot was generated for the reaction using 0 triangles 65 mM circles or 130 mM squares lovastatin as an inhibitor.

Which of the following statements is true regarding enzyme cooperativity. Coenzyme binds with enzyme in a stable association. Each enzyme has a preferred pH at which the enzyme reaction rate is highest.

The optimum pH for the activity of pepsin is about 2 b. Enzymes increase the rate of a reaction by reducing the rate of reverse reactions. Every enzyme possesses an optimum pH value where it is most effective.

An active site is normally hydrophobic in nature. Which of the following statements is NOT true concerning enzymatic activity. As the temperature increases most enzymatic reactions will still proceed at the same rate.

Enzymes are permanently altered by the reactions they catalyze. Which of the following statements is incorrect regarding enzymatic activity. Lovastatin is a cholesterol-lowering drug that acts through the inhibition of the enzyme HMG-CoA-reductase which is a key enzyme in cholesterol biosynthesis.

Below a certain temperature an enzyme will become denatured. An active site is normally a hollow or cleft on the surface of an enzyme rather than the surface itself. Which statement about enzymes is true.

Enzymes are protein catalysts of biological origin C. 01 Which of the following statements is not true regarding the active site of an enzyme. B DNA polymerase III possesses 5-3 polymerase activity required for elongation.

Enzymes are stable proteins B. The properties of enzymes are correctly described by which of the following statements. Eg pepsin of gastric juice has its optimum at pH 2 acidic whereas trypsin of pancreatic juice shows maximum activity by at pH 88 alkaline.

All the following statements concerning enzymes are true EXCEPT a. In reality the protein may not work at all. Enzymesubstrate complex is temporary combination c.

An enzyme like any protein has the secondary and tertiary. Enzymes increase the rate of a reaction by making the reaction more exergonic. Enzymes affect the rate of a chemical reaction by raising the activation energy needed for the reaction to take place D.

Temperature has no impact on enzymatic activity. Each enzyme has a preferred pH at which the enzyme reaction rate is highest. It initially decreases with increase in pH value.

D It initially increases with increase in temperature and then decreases. An enzymes natural substrate. Enzymes increase the rate of a reaction by lowering the activation energy barrier.

Below a certain temperature an enzyme will become denatured. Amyloclastic methods measure the residual starch. C It initially decreases with increase in pH value.

B It is highest at optimum pH value. Enzyme activity increases as substrate concentration decreases. Correct option is C Every enzyme possesses an optimum pH value where it is most effective.

Overrange samples are diluted in deionized water. A DNA polymerase III is a highly processive enzyme. O Enzyme activity increases as substrate concentration decreases.

Which of the following statements is are true about enzyme-catalyzed reactions. Enzymes prevent changes in substrate concentrations. Most enzymes show maximum activity in a pH rage have their optimum pH in the acidic or alkaline range.

It requires Ca 2 for full activity. Question 30 2 pt Which of the following statements is true concerning enzymatic activity. As the temperature increases most enzymatic reactions will still proceed at the same rate.

Enzyme activity increases as substrate concentration decreases. Each enzyme has a preferred pH at which the enzyme reaction. C DNA polymerase III possesses 3-5 exonuclease activity important for maintaining fidelity d All of the above 20 In prokaryotes the RNA primer from the lagging strand is removed and replaced by the DNA sequence.

Enzymes decrease the free energy change of a reaction. Dynamic proteins alter substrates into the items a life form should carry out basic capacities whether chemical or physiological. A multi-enzyme complex contains all the enzymes of a metabolic pathway.

Above a certain temperature an enzyme will become denatured. A substrate molecule bound to an active site affects the active site of several subunits. Most enzymes show maximum activity in a pH rage have their optimum pH in the acidic or alkaline range.

Enzyme activity is not altered by heat denaturation. The enzyme alters the energy difference between reactants and products ChemistryApply knowledge of fundamental biological characteristicsEnzymes1 4. A It increases with increase in substrate concentration upto the saturation point.

Transcribed image text. An enzyme alters the Gibbs free energy of the reaction B. Activity will vary with the lot of starch used.

Enzymes cause a reaction with a positive free energy to occur spontaneously C. Decreasing the concentration of maltose has no effect on the activity of maltase d. The correct answer is b an active site is normally hydrophilic in nature.

As the temperature increases most enzymatic reactions will still proceed at the. Each enzyme has a preferred pH at which the enzyme reaction rate is highest. Temperature has no impact on enzymatic activity.

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