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What are three functions of the Na+ K+ pump?

Answer 1

William Albracht

Here are the three important functions of Na-K pump across cell membranes:

Maintenance of resting membrane potential (across neuronal membrane).
Absorption of glucose from gut and renal tubules (symport).
Maintenance of cellular osmolarity.

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Answer 2

Victoria Angeli

The three functions of the Na+/K+ pump are:

Maintaining the resting membrane potential in neurons.
Regulating cell volume by controlling osmotic balance.
Facilitating the active transport of nutrients and ions across cell membranes.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.