In a theoretical gas turbine cycle,
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1. The term anaerobic means
without O2.
2. How do cells capture the energy released by cellular respiration?
A) They produce ATP.
3. Respiration ________, and cellular respiration ________.
B) is gas exchange . . . Produces ATP
4. Which of the following are products of cellular respiration?
B) energy to make ATP and carbon dioxide
5. Oxidation is the ________, and reduction is the ________.
B) loss of electrons . . . Gain of electrons
6. Which of the following options lists the stages in cellular respiration in the correct order?
A) glycolysis, the citric acid cycle, and oxidative phosphorylation
7. In glycolysis, for each molecule of glucose oxidized to pyruvate _____.
B) two molecules of ATP are used and four molecules of ATP are produced.
8. Following glycolysis and the citric acid cycle, but before the electron transport chain and oxidative
Phosphorylation, the carbon skeleton of glucose has been broken down to CO2 with some net gain of
ATP. Most of the energy from the original glucose molecule at that point in the process, however, is in the
Form of _____.
D) NADH
9. Which electron carrier(s) function in the citric acid cycle?
B) NADH and FADH2
10. The electron transport chain _____.
A) is a series of redox reactions
11. The chemiosmotic hypothesis is an important concept in our understanding of cellular metabolism in
General because it explains _____.
A) how ATP is synthesized by a proton motive force
12. Where are the proteins of the electron transport chain located?
B) mitochondrial inner membrane
13. Energy released by the electron transport chain is used to pump H+ into which location in eukaryotic
Cells?
C) mitochondrial intermembrane space
14. When hydrogen ions are pumped from the mitochondrial matrix across the inner membrane and into the
Intermembrane space, the result is the _____.
C) creation of a proton-motive force
15. Approximately how many molecules of ATP are produced from the complete oxidation of one molecule of
Glucose (C6H12O6) in aerobic cellular respiration?
D) 30-32
16. Which of the following metabolic pathways is common in aerobic and anaerobic metabolism?
D) glycolysis
17. In yeast cells,
D) alcohol is produced after glycolysis.
18. The summary equation for photosynthesis is
A) 6 CO2 + 6 H2O + sunlight → C6H12O6 + 6 O2.
19. What is the name given to organisms that can make their own food and the food for the biosphere?
E) autotrophs
20. CO2 enters and O2 escapes from a leaf via
A) stomata.