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Home Biochemistry Photosynthesis and Respiration Comments

  • Question
  • What is the maximum absorption wavelength for photosystem I in green plants?


  • Options
  • A. 550 nm
  • B. 600 nm
  • C. 700 nm
  • D. 750 nm

  • Correct Answer
  • 700 nm 


  • Photosynthesis and Respiration problems


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    • 1. During the light-dependent reactions of photosynthesis, which of the following does not occur?

    • Options
    • A. Splitting of water
    • B. Carbon dioxide fixation
    • C. Release of oxygen
    • D. Absorption of light energy by photosystems
    • Discuss
    • 2. A eukaryotic cell that can carry out only fermentation instead of the complete aerobic respiration of glucose

    • Options
    • A. produces less CO2
    • B. is lacking in O2
    • C. has mitochondria present
    • D. all of these
    • Discuss
    • 3. Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?

    • Options
    • A. O2
    • B. CO2
    • C. Sunlight
    • D. ATP
    • Discuss
    • 4. More ATP is manufactured during __________ than at any other time in all of cellular metabolism.

    • Options
    • A. fermentation
    • B. glycolysis
    • C. the light reactions of photosynthesis
    • D. oxidative phosphorylation
    • Discuss
    • 5. Hydrogen (electron) acceptor in the light reactions is

    • Options
    • A. ADP
    • B. NADP+
    • C. NAD+
    • D. FADH
    • Discuss
    • 6. 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
    • 7. A cyclic electron transport process is the characteristic of

    • Options
    • A. photosynthesis
    • B. methane oxidation
    • C. sulfide oxidation
    • D. methane production
    • Discuss
    • 8. The breakdown of glucose occurs by the process known as

    • Options
    • A. glycolysis
    • B. fermentation
    • C. anaerobic respiration
    • D. Krebs cycle
    • Discuss
    • 9. 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
    • 10. 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


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