logo

CuriousTab

CuriousTab

Discussion


Home Microbiology Microbial Metabolism Comments

  • Question
  • Which of the following does not produce oxygen as a product of photosynthesis?


  • Options
  • A. Oak trees
  • B. Purple sulfur bacteria
  • C. Cyanobacteria
  • D. Phytoplankton

  • Correct Answer
  • Purple sulfur bacteria 


  • Microbial Metabolism problems


    Search Results


    • 1. In an oxygenic photosynthesis, the green and the purple bacteria do not use which of the following one as an electron source?

    • Options
    • A. H2O
    • B. H2
    • C. H2S
    • D. S (elemental sulphur)
    • Discuss
    • 2. In establishing proton gradient for chemiosmotic ATP generation by aerobic respiration the terminal electron acceptor is

    • Options
    • A. nitrate
    • B. oxygen
    • C. sulfate
    • D. CO2
    • Discuss
    • 3. The phosphate inhibition in the clavine formation with Claviceps SD58, can be counteracted by the addition of

    • Options
    • A. alanine
    • B. methionine
    • C. tryptophan
    • D. lysine
    • Discuss
    • 4. The reaction, where small precursor molecules are assembled into larger organic molecules is referred as

    • Options
    • A. anabolism
    • B. catabolism
    • C. metabolism
    • D. any of these
    • Discuss
    • 5. Digestive reactions where large molecules are broken down into smaller ones are referred as

    • Options
    • A. anabolism
    • B. catabolism
    • C. metabolism
    • D. biosynthesis
    • Discuss
    • 6. Standard free energy change (?G) can be expressed as

    • Options
    • A. ?G° = -RTlnkeq
    • B. ?G° = RTlnkeq
    • C. ?G° = R/Tlnkeq
    • D. ?G° = -RT/lnkeq
    • Discuss
    • 7. Entner - Doudoroff pathway is not found in

    • Options
    • A. aerobic prokaryotes
    • B. anaerobic prokaryotes
    • C. Both (a) and (b)
    • D. eukaryotes
    • Discuss
    • 8. High energy transfer compounds are capable of

    • Options
    • A. accepting large amounts of free energy
    • B. transferring large amounts of free energy
    • C. measuring free energy
    • D. none of the above
    • Discuss
    • 9. The role of bacteriophyll in an oxygenic photosynthesis is to

    • Options
    • A. reduce ferridoxin directly
    • B. reduce NADP directly
    • C. use light energy to energize an electron
    • D. transfer electrons to an intermediate in the sulfide oxidation pathway
    • Discuss
    • 10. The acquisition energy by glucose fermentation requires

    • Options
    • A. substrate-level phosphorylation
    • B. electron transport of electrons from NADH
    • C. long-chain fatty acid oxidation
    • D. the enzyme formic-hydrogen lyase
    • Discuss


    Comments

    There are no comments.

Enter a new Comment