Home
Class 12
BIOLOGY
In mitochondrial electron transport syst...

In mitochondrial electron transport system, for every two pairs of electrons that pass from NADH molecules through a sequential series of cytochrome enzymes to molecular oxygen generate

A

2 ATP

B

3 ATP

C

4 ATP

D

6 ATP

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RESPIRATION

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|20 Videos
  • RESPIRATION

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|20 Videos
  • REPTILIA-CREEPING VERTEBRATES

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|10 Videos
  • ROOT

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|10 Videos

Similar Questions

Explore conceptually related problems

Two pairs of electrons passing from NADH molecules to oxygen generate

In the electron transport system,a molecule of ATP is formed when an electron passes from :

In electron transport system (ETS) which of the following cytochromes reacts with oxygen

Movement of ten electron from mitochondrial NADH molecules produces water molecules

When a pair of electron from NADH(H^(+)) is transported through respiratory ETS, it results in the formation of

Number of cytochrome molecules required for the transfer of a pair of electrons through ETS is

Assertion : In electron transport system, the electrons are passed on to oxygen resulting in the formation of H_(2)O Reason : Oxygen is the ultimate acceptor of electrons.

The number of ATP molecules produced by electron transport system from Krebs cycle intermediates in a single trun is

Study carefully the following statements and select the incorrect ones. When fats are used in respiration, the RQ is more than unity because fats contain more O_(2) and require relatively less amount of O_(2) for oxidation. (ii) The most important energy carrier is ATP. This energy rich compound is mobile and can pass from one cell to another. (iii) Before pyruvic acid enter Krebs' cycle, one of the two carbon atoms of pyruvic acid is reduced to carbon dioxide in the reaction called reductive carboxylation. (iv) A special electron carrier system located in the mitochondrial membrane is called shuttle system. It transfers electron from the hydrogens of cytoplasmic NADH to the mitochondrial electron carriers across the mitochondrial membrane. (v) Zymase is a complex mixture of many enzymes which requires several coenzymes for its action. The enzyme complex-zymase catalyses series of reaction taking place during fermentation leading to the production of ethyl alcohol.

The number of ATP molecules produced by electron transport system from Krebs cycle intermediates in a single turn is

DINESH PUBLICATION ENGLISH-RESPIRATION-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
  1. ATP does not provide phosphate in the reaction

    Text Solution

    |

  2. In alcoholic fermentation, two molecules of glucose produce ethanol an...

    Text Solution

    |

  3. In mitochondrial electron transport system, for every two pairs of ele...

    Text Solution

    |

  4. In citric acid cycle, the step not using dehydrogenase enzymes is

    Text Solution

    |

  5. RQ of proteins, carbohydrates, fats and organic acids are in order

    Text Solution

    |

  6. According to the chemi-osmotic mechanism for ATP synthesis given by P....

    Text Solution

    |

  7. Substrate level phosphorylation in TCA occurs when

    Text Solution

    |

  8. In the electron transport system present in the inner mitochondrial me...

    Text Solution

    |

  9. Select the wrong statement

    Text Solution

    |

  10. Which of the following minerals activate the enzymes involved in respi...

    Text Solution

    |

  11. Glycolysis

    Text Solution

    |

  12. In mitochondria, protons accumulate in the:

    Text Solution

    |

  13. After glycolysis, fate of glucose in mitochondrial matrix is

    Text Solution

    |

  14. Identify the membrane across which the proton (H^(+)) gradient facili...

    Text Solution

    |

  15. How many ATP molecules will be generated in a plant system during comp...

    Text Solution

    |

  16. Read the following four statements (A-D) - (A) Both, photophosphoryl...

    Text Solution

    |

  17. The number of molecules of pyruvic acid formed from one molecule of gl...

    Text Solution

    |

  18. Consider the following statements with respect to respiration. (i) G...

    Text Solution

    |

  19. The first stable compound of Krebs cycle is

    Text Solution

    |

  20. Select a suitable name for the following process C(6)H(12)O(6)+2ADP ...

    Text Solution

    |