Na+/K+ Pump Function and Mechanism

Na+/K+ Pump Function and Mechanism

Assessment

Interactive Video

Science, Chemistry

University

Hard

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The video explains the sodium-potassium pump, a crucial enzyme in cell membranes that transports sodium and potassium ions against their concentration gradients using ATP. It details the pump's structure, function, and mechanism, emphasizing the role of ATP hydrolysis in driving ion transport. The video also credits McGraw Hill for its production.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What types of cells have a high concentration of sodium-potassium pumps?

Skin cells

Red blood cells

Neurons and muscle cells

Liver cells

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the sodium-potassium pump?

To transport glucose into the cell

To pump sodium out of the cell and potassium into the cell

To synthesize proteins

To generate ATP

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of transport is the sodium-potassium pump involved in?

Secondary active transport

Passive transport

Facilitated diffusion

Primary active transport

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sodium ions are moved out of the cell during one cycle of the pump?

One

Three

Two

Four

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to ATP during the sodium-potassium pump cycle?

It remains unchanged

It is converted to ADP and a phosphate group

It is stored for later use

It is synthesized

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What triggers the change in conformation of the sodium-potassium pump?

Presence of oxygen

Hydrolysis of ATP

Binding of glucose

Increase in temperature

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is ATP hydrolysis crucial for the sodium-potassium pump's function?

It provides the energy needed for ion transport against the concentration gradient

It helps in the synthesis of proteins

It maintains the cell's shape

It regulates the cell's temperature