Discussion
Home ‣ Biochemistry ‣ Photosynthesis and Respiration Comments
- Question
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
- Correct Answer
- all of these
- 1. In oxygenic photosynthesis, the electron donor is
Options- A. water
- B. oxygen
- C. NADH
- D. NADPH Discuss
- 2. 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
- 3. 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 Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. In algae, photosynthesis takes place in
Options- A. choloroplasts
- B. cell membrane
- C. mitochondria
- D. none of the above Discuss
- 8. If the oxygen is labeled in CO2 and provide this CO2 to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?
Options- A. In the water used
- B. In the NADPH
- C. In the carbohydrate produced
- D. In the oxygen given off by the plant Discuss
- 9. The followings are the products of the light reactions of photosynthesis except
Options- A. ATP
- B. oxygen
- C. NADPH
- D. glucose Discuss
- 10. As a result of the photosynthetic process, which product is formed?
Options- A. Oxygen
- B. Water
- C. Carbon dioxide
- D. Both (a) and (b) Discuss
Photosynthesis and Respiration problems
Search Results
Correct Answer: water
Correct Answer: They are oxidized
Correct Answer: Plants provide the water and CO2 that animals need to carry out respiration
Correct Answer: plant cells
Correct Answer: chlorophyll pigments
Correct Answer: They are all components or products of the citric acid cycle
Correct Answer: choloroplasts
Correct Answer: In the carbohydrate produced
Correct Answer: glucose
Correct Answer: Oxygen
Comments
There are no comments.More in Biochemistry:
Programming
Copyright ©CuriousTab. All rights reserved.