Metabolism Practice Test Questions With Complete Solutions

Which of the following describe(s) some aspect of metabolism? correct answer: Breakdown of macromolecules Which term precisely describes the cellular process of breaking down large molecules into smaller ones? correct answer: catabolism Which of the following statements correctly describes catabolic pathways? correct answer: they release energy as they degrade polymers to monomers Which of the following is (are) true for anabolic pathways? correct answer: they consume energy to build up polymers from monomers Which of the following is true for all exergonic reactions? correct answer: the reaction proceeds with a net release of free energy; spontaneous. A chemical reaction that has a positive 'G is correctly described as correct answer: endergonic; non-spontaneous; energy required. The hydrolysis of ATP to ADP and inorganic phosphate (ATP + H2O-ADP- +Pi): correct answer: -has a ´G of about -7 kcal/mol under standard conditions. -involves hydrolysis of a terminal phosphate bond of ATP. -can occur spontaneously under appropriate conditions. When 10,000 molecules of ATP are hydrolyzed to