Sodium Potassium Pump

The sodium potassium pump usually pumps

• potassium out of the cell 

• sodium out of the cell 

• sodium into the cell 

• both potassium and sodium into the cell 

Tags

NGSS.HS-LS1-3

Active transport across a cell membrane from low to high concentration, requires

• energy (ATP)

• no energy

• water

• oxygen

The sodium-potassium pump usually pumps

• only potassium ions and sugar molecules

• potassium ions out of the cell

• sodium ions into the cell

•  potassium ions into the cell

Tags

NGSS.HS-LS1-3

The sodium-potassium pump....

• Sends (Na⁺) into the cell

• Sends (K⁺) into the cell

• Exchanges (K⁺) & (Na⁺) during depolarization

• Exchanges (K⁺) & (Na⁺) during hyperpolarization

Tags

NGSS.HS-LS1-3

Which one of the following is involved in maintaining a resting membrane potential?

• Na+/K+ ATPase pump moves 3Na+ in for every 2K+ out

• Na+/K+ ATPase pump moves 3K+ in for every 2Na+ out

• Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in

• Na+/K+ ATPase pump moves 3K+ out for every 2Na+ in

Tags

NGSS.HS-LS1-3

The sodium-potassium pump

• Helps cells maintain homeostasis

• Carries ions across the membrane from an area of high concentration to an area of lower concentration

• Helps maintain sodium ion gradient

• Helps maintain sodium ion gradient and maintain homeostasis

Tags

NGSS.HS-LS1-3

What transports potassium ions into the cell?

• Hypertonic solutions

• Hypotonic solutions

• Sodium potassium pump

• Isotonic solutions

What is the primary function of the sodium-potassium pump in animal cells?

• To transport glucose into the cell

• To maintain the cell's resting potential

• To synthesize proteins

• To store calcium ions

Tags

NGSS.HS-LS1-3

How many sodium ions are transported out of the cell for every two potassium ions transported into the cell by the sodium-potassium pump?

• One

• Two

• Three

• Four

Which molecule provides the energy required for the sodium-potassium pump to function?

• Glucose

• ATP

• NADH

• FADH2