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- Question
Which of the following statements about energy metabolism is false?
Options- A. The energy that powers living systems ultimately comes from the sun
- B. All animals in some way rely on plants for their energy
- C. Plants provide the water and CO2 that animals need to carry out respiration
- D. All eukaryotic organisms carry out respiration in the presence of O2
- Correct Answer
- Plants provide the water and CO2 that animals need to carry out respiration
- 1. Antenna complexes, electron transport chains, and carbon fixation are all found in
Options- A. animal cells
- B. bacterial cells
- C. plant cells
- D. association with the reactions of the citric acid cycle Discuss
- 2. In the initial step of photosynthesis, sunlight energizes the electron pair of
Options- A. adenosine triphosphate (ATP)
- B. chlorophyll pigments
- C. water
- D. carbon dioxide Discuss
- 3. The breakdown of glucose occurs by the process known as
Options- A. glycolysis
- B. fermentation
- C. anaerobic respiration
- D. Krebs cycle Discuss
- 4. A cyclic electron transport process is the characteristic of
Options- A. photosynthesis
- B. methane oxidation
- C. sulfide oxidation
- D. methane production Discuss
- 5. The rate of photorespiration in most plants increases at.higher temperatures. Some plants have evolved a somewhat round-about system to deal with this problem. This series of reactions is called
Options- A. ETS (electron transfer system in light reactions
- B. C4 pathway
- C. Photosystem II
- D. Calvin cycle Discuss
- 6. What do NAD+, NADP+, and FAD+ all have in common?
Options- A. They are reduced
- B. They have a full complement of electrons
- C. They are oxidized
- D. They are what is used during carbon fixation in photosynthesis Discuss
- 7. In oxygenic photosynthesis, the electron donor is
Options- A. water
- B. oxygen
- C. NADH
- D. NADPH Discuss
- 8. The cytochrome c oxidase complex
Options- A. accepts electrons from cyt c
- B. donates four electrons to O2
- C. pumps protons out of the matrix space
- D. all of these Discuss
- 9. What do coenzyme A, CO2, oxaloacetate, and FADH2 all have in common?
Options- A. They are all components or products of the citric acid cycle
- B. They are part of the dark reactions of photosynthesis
- C. They are part of the reactions of lactic acid fermentation
- D. They are all elements of oxidative phosphorylation Discuss
- 10. In algae, photosynthesis takes place in
Options- A. choloroplasts
- B. cell membrane
- C. mitochondria
- D. none of the above Discuss
Photosynthesis and Respiration problems
Search Results
Correct Answer: plant cells
Correct Answer: chlorophyll pigments
Correct Answer: glycolysis
Correct Answer: photosynthesis
Correct Answer: C4 pathway
Correct Answer: They are oxidized
Correct Answer: water
Correct Answer: all of these
Correct Answer: They are all components or products of the citric acid cycle
Correct Answer: choloroplasts
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