8. Respiration
Review of Aerobic Cellular Respiration
Multiple Choice
Multiple ChoiceA gram of fat oxidized by respiration produces approximately twice as much ATP as a gram of carbohydrate. Which of the following best explains this observation?
A
Fats are produced when cells take in more food than they need.
B
Fats are less soluble in water than sugars.
C
Fats do not form true macromolecules as sugars do.
D
Fats are closely related to lipid molecules, which are the basic building blocks of cellular membranes.
E
Fats are better electron donors to oxygen than are sugars.
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