Which of the Following Is True Concerning Enzymes

Enzymes function best at an optimum temperature 20-40C. All of the above are true of enzymes.

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It results in complementary sticky ends.

. C energy of atomic molecular motion. Enzymes can catalyze only one or a very few different reactions. So the correct option is They are made by bacteria and viruses.

Enzymes are very specific for certain substrates. Correct option is A Restriction enzymes cut DNA strands by identifying specific sequences of nucleotides. D answers a c.

Enzymes have optimal environmental conditions. D Each enzyme catalyzes one specific reaction or group of reactions. Enzymes catalyze chemical transformations by decreasing the free energy of the reactants.

Enzyme function is reduced if the three-dimensional structure or conformation of an enzyme is altered. Sulfanilamide is an antimicrobial drug that mimics the shape of an important substrate for a particular bacterial enzyme thereby inhibiting the enzyme. Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy.

Which of the following statements regarding enzymes is not true. A substrate molecule bound to an active site affects the active site of several subunits. CEnzymes decrease the amount of activation energy required for chemical reactions to occur.

All enzymes are proteins. C Enzymes are consumed in a chemical reaction so an organism must constantly replace these enzymes. The International Comission of Enzymes of the International Union of Biochemistry has categorized all enzymes into one of these classes.

The active site can be influenced by molecules binding elsewhere on an enzyme B. Unlike potential energy Ainetic energy can be referred to as. All of the statements are true.

It recognises the base sequence GAATTC in DNA duplex and cuts its strands between G and A as shown below5-G-A-A-T-T-C-3. The secondary form of a protein is often its final form of development All proteins are enzymes. At very high temperature enzyme activity decreases because denaturation of proteins occurs and enzyme becomes inactive.

A They catalyze only a particular type of reaction B They remain active even after separation from the source C They are destroyed after the completion of the reaction they catalyse D They are irreversibly destroyed at high temperature E Their activity depends on the pH of the solution. Enzymes have an active site that binds to specific substrates to form the enzyme-substrate complex. One correct answer only A.

C Enzymes provide activation energy for the reactions they catalyze. B Enzymes slow the rate of chemical reactions in living systems. A energy released when chemical bonds are broken.

Enzyme function is influenced by physical and chemical environmental factors such as pHand temperature. In the bacterial cell restriction enzymes cleave foreign DNA thus eliminating infecting organisms. Which of the following is TRUE concerning the induced fit model of enzyme catalysis.

Oxidoreductases transferases hydrolases lyases isomerases and ligases. The initial binding of enzyme and substrate is the most tightly bound conformation C. Which of the following statements about enzymes is false.

DNA is an example of a protein. C Enzymes are used up in chemical reactions. This type of inhibition is known as A allosteric inhibition.

The statement the active site is where the enzyme binds with the substrate is TRUE regarding the structure of enzymes. Enzymes increase the rate of chemical reaction by lowering activation energy barriers. Which of the following is not true regarding enzymes.

Which of the following statements concerning enzymes is FALSE. The enzyme activity decreases with slight decrease or increase from the optimum temperature range. Enzymes can only catalyze spontaneous reactions.

A Enzyme function is not affected by changes in temperature or pH. AEnzymes prevent unwanted chemical by-products from forming. They are made by only bacteria not viruses.

Enzymes are consumed by the reactions they catalyze. Enzymes catalyze chemical transformations by altering the chemical equilibrium of the reactants and products. All enzymes are proteins.

27 All of the following are true concerning enzymes except that theydocx. Transferases are enzymes that catalyze the transfer of groups such as amino and phosphate groups between compounds. Which of the following are true regarding proteins.

B Enzymes increase the energy barrier required of chemical reactions. Which Of The Following Statements Regarding Enzymes Is True. Correct option is C The restriction endonuclease enzyme EcoRI was isolated from bacterium Escherichia coli RY13.

Enzymes catalyze chemical transformations by decreasing the free energy of the transition state. Enzymes are highly specific. Solve any question of Biotechnology.

SELECT ALL THAT APPLY The specific structure of a protein determines its function. E Enzymes convert products into reactants. Which of the following statements concerning enzymes is FALSE.

Hence statement D is correct. E answers a b c. B energy that is stored in bonds.

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