Exam 6: Cellular Respiration

Suppose it is true that potato plants use uncoupling proteins (UCPs) in a way that is similar to how mammals use them. What would a researcher expect to observe in these plants?

Which part of the ATP synthase is responsible for catalyzing ATP formation?

Glycolysis can take place in the absence of which of the following small molecules?

Glycolysis takes place in the mitochondria.

Which of the following best explains why food is not energy?

Which phrase describes the mechanism that facilitates the passage of electrons between protein complexes in the mitochondrial inner membrane?

How many catalytic sites does the ATP synthase have?

Which piece of the ATP synthase contains the channel for H⁺ to flow through?

Two mobile electron carriers that are important for the electron transfer system are cytochrome c and ubiquinone.

Which of the following are directly responsible for pumping protons out of the matrix in the mitochondria?

Which of the following is the best line of evidence for glycolysis being an ancient pathway?

During the process of pyruvate oxidation, pyruvate is broken down and the remaining two carbons are attached to coenzyme A.

Which of the following is the ultimate source of chemical energy for all living organisms?

Which cellular respiration process is absolutely dependent upon a supply of NADH?

Which of the following best explains the energetic status of cellular respiration?

Which phrase best describes the chemical conditions inside the mitochondrial matrix?

Where is ATP synthase located in eukaryotic cells?

Which statement best describes the function of NADH and FADH₂?

Consider the contribution of NADH and FADH₂. How many of the 38 total ATP molecules produced in cellular respiration come from the citric acid cycle?

If glycolysis is considered universal, which of the following illustrates that?