A system at chemical equilibrium_____.
a.) can do no work
b.) releases energy at a steady rate
c.) has zero kinetic energy
d.) consumes energy at a steady rate
Answer: A
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AP Biology Chapter 8
- Which of the following the most correct interpretation of the figure?
- According to the induced fit hypothesis of enzyme catalysis,_________
- For living organisms, which of the following is an important consequence of the first law of thermodynamics?
- Which of the following is an example of cooperatively?
- Biological evolution of life on Earth, from simple prokaryote-like cells to large, multicellular eukaryotic organisms,______.
- Which of the following is an example of potential rather than kinetic energy?
- The mathematical expression for the change in free energy of a system is delta G= DeltaH-TdeltaS. Which of the following is (are) correct?
- Which term most precisely describes the cellular process of breaking down large molecules into smaller ones?
- Which of the following involves a decrease in entropy?
- Which of the following is most similar in structure to ATP?
- A chemical reaction that has a positive delta G is best described as _____
- Choose the pair of terms that correctly completes this sentence: Catabolism is the anabolism as ___ is to ____.
- Which of the following terms best describe the forward reaction in the figure?
- Which of the following is true of enzymes?
- In a biological reaction, succinate dehydrogenase catalyzes the conversion of succinate to fumarate. The reaction is inhibited by masonic acid, a substance that resembles succinate but cannot be acted upon by succinate dehydrogenase. Increasing the amount of succinate molecules to those of masonic acid reduces the inhibitory effect of masonic acid. Select the correct identification of the molecules described in the reaction.
- Living organisms increase in complexity as they grow, resulting in a decrease in the entropy of an organism. How does this relate to the second law of thermodynamics?
- Which of the following types of reactions would decrease the entropy within a cell?
- What is substance X?
- Which of the following represents the activation energy required for the enzyme-catalyzed reaction in the figure?
- Which of the following is a statement of the first law of thermodynamics?
- Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's____
- The lock-and-key analogy for the enzymes applies to the specificity of enzymes_______.
- The active site of an enzyme is the region that______
- During a laboratory experiment, you discover that an enzyme-catalyzed reaction has a delta G of -20 kcal/mol. If you double the amount of enzyme in the reaction, what will be the delta G for the new reaction?