bio 110 exam 3 practice Questions
with Correct Answers
The hydrolysis of ATP into ADP + Pi is an example of a reaction in which
A. The free energy of the products is equal to the free energy of the reactants.
B. The free energy of the products is much greater than the free energy of the
reactants.
C. The free energy of the products is much less than the free energy of the reactants -
ANSWERSC. The free energy of the products is much less than the free energy of the
reactants
Which of the following is true of endergonic reactions?
A. The free energy of the products is equal to the free energy of the reactants.
B. The free energy of the products is much greater than the free energy of the
reactants.
C. The free energy of the products is much less than the free energy of the reactants. -
ANSWERSB. The free energy of the products is much greater than the free energy of
the reactants.
The second law of thermodynamics states that
A. no energy transformation is 100% efficient.
B. usable energy in the universe is continuously decreasing.
C. unusable energy in the universe (entropy) is continuously increasing.
D. All of the above.
E. None of the above. - ANSWERSD. All of the above.
Lowering the activation energy of a reaction will
A. decrease the rate of the reaction.
B. increase the rate of the reaction.
C. have no effect on the rate of the reaction. - ANSWERSB. increase the rate of the
reaction.
The hydrolysis of ATP into ADP + Pi is coupled to
A. endergonic reactions.
B. exergonic reactions.
C. None of the above. - ANSWERSA. endergonic reactions.
What best describes exergonic reactions.
A. They are spontaneous.
B. They are not spontaneous.
with Correct Answers
The hydrolysis of ATP into ADP + Pi is an example of a reaction in which
A. The free energy of the products is equal to the free energy of the reactants.
B. The free energy of the products is much greater than the free energy of the
reactants.
C. The free energy of the products is much less than the free energy of the reactants -
ANSWERSC. The free energy of the products is much less than the free energy of the
reactants
Which of the following is true of endergonic reactions?
A. The free energy of the products is equal to the free energy of the reactants.
B. The free energy of the products is much greater than the free energy of the
reactants.
C. The free energy of the products is much less than the free energy of the reactants. -
ANSWERSB. The free energy of the products is much greater than the free energy of
the reactants.
The second law of thermodynamics states that
A. no energy transformation is 100% efficient.
B. usable energy in the universe is continuously decreasing.
C. unusable energy in the universe (entropy) is continuously increasing.
D. All of the above.
E. None of the above. - ANSWERSD. All of the above.
Lowering the activation energy of a reaction will
A. decrease the rate of the reaction.
B. increase the rate of the reaction.
C. have no effect on the rate of the reaction. - ANSWERSB. increase the rate of the
reaction.
The hydrolysis of ATP into ADP + Pi is coupled to
A. endergonic reactions.
B. exergonic reactions.
C. None of the above. - ANSWERSA. endergonic reactions.
What best describes exergonic reactions.
A. They are spontaneous.
B. They are not spontaneous.
