Home
Class 12
BIOLOGY
Na^(+)-K^(+) pump is found in membranes ...

`Na^(+)-K^(+)` pump is found in membranes of many cells, like nerve cells. It works against electro chemical gradient and involve an integral protein ATPase. For each molecule of ATP used

A

three ions of `Na^(+)` are taken in and two `K^(+)` are taken in

B

three ions of `Na^(+)` are taken in and two `K^(+)` are pumped out

C

two ions of `Na^(+)` are thrown out and three `K^(+)` are absorbed

D

three ions of `K^(+)` are absorbed and three `Na^(+)` are pumped out

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEURAL CONTROL AND COORDINATION

    ARIHANT NEET|Exercise CHAPTER EXERCISES MEDICAL ENTRANCES SPECIAL FORMAT QUESTIONS (STATEMENT BASED QUESTIONS)|7 Videos

  • NEURAL CONTROL AND COORDINATION

    ARIHANT NEET|Exercise CHAPTER EXERCISES MEDICAL ENTRANCES SPECIAL FORMAT QUESTIONS (Assertion Reason )|4 Videos

  • NEURAL CONTROL AND COORDINATION

    ARIHANT NEET|Exercise CHECK POINT 28.4|20 Videos

  • MOVEMENT AND LOCOMOTION

    ARIHANT NEET|Exercise Medical entrances gallary ( Collection of question asked in NEET & various Medical Entrance Exam )|54 Videos

  • ORGANISMS AND POPULATIONS

    ARIHANT NEET|Exercise Chapter exercises ( Medical entrances gallery)|68 Videos

Similar Questions

Explore conceptually related problems

Na^(+)-K^(+) pump is found in membranes of many cells, like nerve cells. It works against electo chemical gradient and involve an integral protin ATPase. For each molecule of ATP used

Na^+ - K^+ pump is found in membranes of many cells like nerve cells. It works against electrochemical gradient and involves an integral protein ATPase. At the cost of one ATP, ionic gradient across the resting member is maintained by Na^+ - K^+ pump by transporting

The Na^(+)//K^(+) pump is present in the plasma membrane of mammalian cells where it-

A transport which is carried out by membrane prote ins and uses energy to pump molecules against a concentration gradients is

How many copies of each different DNA molecule will be found in a cell at the beginning of each of these stages of the mitotic cell cycle ?

A student made a pictorial representation of a eukaryotic cell membrane and labelled the components as follows. The student has made errors whikle labelling the components membrane. Which of the following hold true regarding the error ? (i) Protein A should be labelled as trans-membrane protein only and not as integral protein. (ii) The polarity of the protein A should be reversed because the cytosolic phjase always shows reducing environment. (iii) Position of cholesterol molecule shouold be close to polar region as it contains a polar group. (iv) Protein B should be labelled as integral membrane protein and not as peripheral gltcoprotein.

Na^+ – K^+ pump (A) Transports 3Na^+ inwards & 2K^+ outwards. (B) Maintain ionic gradients by active transport. (C) Works against a concentration gradient. How many of above statements are false ?

How many of the given statements are incorrect ? I. Connectivity of plasmodesmata is maintained by ER membrane called dictyosome . II.Totallly buried proteins in membrane are integral protein while partially buried proteins are peripheral proteins. III. The primary cell wall is capable of growth. IV. The peroxisome is not included in the endomembrane system.

ARIHANT NEET-NEURAL CONTROL AND COORDINATION -CHAPTER EXERCISES Taking it Together (Assorted Questions of the Chapter for Advanced Level Practice )
  1. Name the cranial nerves of humans being viz. II,VII,VIII,IX

    Text Solution

    |

  2. The third, sixth and eleventh cranial nerves in mammals are respective...

    Text Solution

    |

  3. Two extracranial nerves found in rabbit/human are

    Text Solution

    |

  4. A patient scheduled ''for surgery confides in his nurse the night'' be...

    Text Solution

    |

  5. Which of the following is not a function of the ANS?

    Text Solution

    |

  6. Which of the following is not the characteristic of human sympathetic ...

    Text Solution

    |

  7. The main functions of sympathetic nervous system are

    Text Solution

    |

  8. The function of our visceral organs is controlled by

    Text Solution

    |

  9. A ganglion is na aggregate of nerve cell bodies

    Text Solution

    |

  10. Na^(+)-K^(+) pump is found in membranes of many cells, like nerve cell...

    Text Solution

    |

  11. Which diagram shows the distribution of Na^(+)and K^(+) ions in a sect...

    Text Solution

    |

  12. During recovery, a nerve fibre becomes

    Text Solution

    |

  13. Unidirectional transmission of a nerve impulse through nerve fibre is ...

    Text Solution

    |

  14. Nerve impulse are transmitted across a synapse from the

    Text Solution

    |

  15. An investigator places as isolated neuron in a calcium-free medium, gi...

    Text Solution

    |

  16. Synaptic delay is the time taken between the

    Text Solution

    |

  17. An example of conditioned reflex is

    Text Solution

    |

  18. Route of reflex arc is

    Text Solution

    |

  19. Identify the correct sequence of organs/ regions in the organization o...

    Text Solution

    |

  20. Regarding the medulla oblongata, which of the following is a false sta...

    Text Solution

    |