Question

Test your understanding by predicting how the sodium-potassium pump becomes integrated into the outer cell membrane. Find the statement that is false.

Answer 1

By predicting how the sodium-potassium pump becomes integrated into outer cell membrane. The prediction that is false is the mRNA coding into sodium pump is translated into the pump on two ribosomes.

What is sodium-potassium pump?

The sodium-potassium pump is an enzyme (an electrogenic transmembrane ATPase) present in the membrane of all animal cells. It is also known as sodium-potassium adenosine triphosphatase, Na+/K+-ATPase, or sodium-potassium ATPase. It serves a number of purposes in cell physiology.

The enzyme Na+/K+-ATPase is activated (i.e. it uses energy from ATP). Three sodium ions are exported and two potassium ions are imported for each ATP molecule used by the pump. As a result, each pump cycle results in the net export of one positive charge.

There are four distinct sodium pump isoforms or subtypes in mammals. Each has distinct qualities and patterns of tissue expression. The P-type ATPase family includes this enzyme.

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Answer 2

By foreseeing the integration of the sodium-potassium pump into the outer cell membrane. The incorrect assumption is that two ribosomes translate the mRNA encoding the sodium pump into the pump.

What is sodium-potassium pump?

The membrane of every animal cell has an enzyme called an electrogenic transmembrane ATPase, which is known as the sodium-potassium pump. It is also referred to as Na+/K+-ATPase, sodium-potassium ATPase, or sodium-potassium ATPase. It has several functions in cell physiology.

Activation of the enzyme Na+/K+-ATPase (i.e. it uses energy from ATP). For every ATP molecule the pump uses, three sodium ions are exported and two potassium ions are imported. As a result, one positive charge is net exported throughout each pump cycle.

In mammals, there are four unique subtypes or isoforms of sodium pumps. Each has unique characteristics and tissue expression patterns. This enzyme is a member of the P-type ATPase family.

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