Enzymes and Metabolism Quiz Essay

400 WordsMay 4, 20142 Pages
Question 1 1 out of 1 points | | | Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? | | | | | Selected Answer: | catabolism | | | | | * Question 2 1 out of 1 points | | | Sucrose is a disaccharide, composed of the monosaccharides glucose and fructose. The hydrolysis of sucrose by the enzyme sucrase results in | | | | | Selected Answer: | breaking the bond between glucose and fructose and forming new bonds from the atoms of water. | | | | | * Question 3 1 out of 1 points | | | Which of the following types of reactions would decrease the entropy within a cell? | | | | | Selected Answer: | dehydration reactions | | | | | * Question 4 1 out of 1 points | | | Which of the following is true for all exergonic reactions? | | | | | Selected Answer: | The reaction proceeds with a net release of free energy. | | | | | * Question 5 1 out of 1 points | | | A chemical reaction that has a positive G is correctly described as | | | | | Selected Answer: | endergonic. | | | | | * Question 6 1 out of 1 points | | | Zinc, an essential trace element for most organisms, is present in the active site of the enzyme carboxypeptidase. The zinc most likely functions as a(n) | | | | | Selected Answer: | cofactor necessary for enzyme activity. | | | | | * Question 7 1 out of 1 points | | | Which of the following is a statement of the first law of thermodynamics? | | | | | Selected Answer: | Energy cannot be created or destroyed. | | | | | * Question 8 1 out of 1 points | | | Which of the following statements is (are) true about enzyme-catalyzed reactions? | | | | | Selected Answer: | The reaction is faster than the same reaction in the absence of the

More about Enzymes and Metabolism Quiz Essay

Open Document