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Which of the following statements are co...

Which of the following statements are correct regarding `Na^+ - K^+` pump ?
(i)Needs energy (ATP) to work
(ii)Expels 3 `Na^+` for every `2K^+` ions imported
(iii)Works against a concentration gradient
(iv)Maintains resting potential

A

(i) and (iv)

B

(ii) and (iii)

C

(i) and (iii)

D

all of these

Text Solution

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The correct Answer is:
B
NA
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NCERT FINGERTIPS-NEURAL CONTROL AND COORDINATION-Neural Control And Coordination
  1. Sodium-potassium pump transports

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  2. In the resting state of the neural membrane, diffusion due to concentr...

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  3. Which of the following statements are correct regarding Na^+ - K^+ pum...

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  4. The electrical potential diference between outside and inside of a ner...

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  5. A typical value of resting membrane potential is

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  6. Complete the following paragraph by selecting the option that gives co...

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  7. During depolarisation the outer surface of the membrane becomes

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  8. Depolarisation of axolemma during nerve conduction takes place because

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  9. During the propagation of a nerve impulse, the action potential result...

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  10. During the transmission of nerve impulse through a nerve fibre, the po...

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  11. Saltatory conduction of impulse occurs in

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  12. Read the given statements and select the correct ones. (i)Autonomic ...

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  13. The junction between the axon of one neuron and the dendrite of the ne...

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  14. Which of the following statements is/are incorrect about the electrica...

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  15. Nerve fibres transmit the nerve message by means.

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  16. A list of events occurring in the transmission of nerve impulse across...

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  17. The given diagram shows axon terminal.Select the option that correctly...

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  18. The given diagram shows axon terminal and synapse. Here A,B,C,D and E ...

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  19. Which one of the following does not act as a neurotransmitter ?

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  20. Read the given statements and select the correct option. (i)Synaptic...

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