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Home Biochemistry TCA Cycle Comments

  • Question
  • To stop ATP synthesis which chemical is generally used?


  • Options
  • A. DNSA
  • B. 2,4 dinitrophenol
  • C. DDT
  • D. None of the chemical can stop ATP synthesis

  • Correct Answer
  • 2,4 dinitrophenol 


  • TCA Cycle problems


    Search Results


    • 1. In what form does the product of glycolysis enter the TCA cycle?

    • Options
    • A. AcetylCoA
    • B. Pyruvate
    • C. NADH
    • D. Glucose
    • Discuss
    • 2. Energy that is released from glucose during respiration but not transferred to ATP bonds can be detected as

    • Options
    • A. CO2
    • B. AMP
    • C. ADP
    • D. heat
    • Discuss
    • 3. The FADH2 and NADH produced by the oxidation of one acetyl-CoA results in the synthesis of about-

    • Options
    • A. 3 ATPs
    • B. 6 ATPs
    • C. 11 ATPs
    • D. 15 ATPs
    • Discuss
    • 4. Which of the following is called milk ejection hormone?

    • Options
    • A. Prolactin
    • B. Vasopressin
    • C. Oxytocin
    • D. All of these
    • Discuss
    • 5. Cholestrol is the precursor of

    • Options
    • A. steroid hormones
    • B. vitamin A
    • C. bile salts
    • D. both (a) and (c)
    • Discuss
    • 6. A positive redox potential means substance has

    • Options
    • A. lower affinity for electron
    • B. higher affinity for electron
    • C. lower affinity for proton
    • D. higher affinity for proton
    • Discuss
    • 7. The catabolism of sugars and fatty acids is similar because

    • Options
    • A. both of these compounds are funnelled through the TC A/citric acid cycle
    • B. both of these compounds generate redox energy during catabolism
    • C. both of these compounds generate chemical energy during catabolism
    • D. all of the above
    • Discuss
    • 8. In eukaryotes, electron transport occurs in

    • Options
    • A. membranes and mitochondria
    • B. endoplasmic reticulum
    • C. cytoplasm
    • D. all of the above
    • Discuss
    • 9. Which of the following is involved in energy production?

    • Options
    • A. Generation of proton gradients across membranes
    • B. Transport of electrons on organic molecules
    • C. Conversion of compounds with high energy to those of low energy
    • D. All of the above
    • Discuss
    • 10. Oxidation of a molecule involves

    • Options
    • A. gain of electron
    • B. loss of electron
    • C. gain of proton
    • D. loss of proton
    • Discuss


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