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Multiple Choice
Which of the following is NOT a function of the Na+-K+ pump?
A
Generating heat in brown adipose tissue
B
Maintaining the resting membrane potential
C
Facilitating glucose transport into cells
D
Regulating cell volume
Verified step by step guidance
1
Understand the primary functions of the Na+-K+ pump: The Na+-K+ pump is crucial for maintaining the resting membrane potential, regulating cell volume, and generating heat in brown adipose tissue.
Analyze the role of the Na+-K+ pump in maintaining the resting membrane potential: The pump actively transports Na+ out of the cell and K+ into the cell, which is essential for maintaining the electrochemical gradient across the cell membrane.
Examine how the Na+-K+ pump contributes to regulating cell volume: By controlling the concentration of ions inside and outside the cell, the pump helps prevent osmotic imbalances that could lead to cell swelling or shrinkage.
Explore the function of the Na+-K+ pump in generating heat in brown adipose tissue: The pump's activity can lead to increased metabolic rate and heat production, particularly in brown fat cells.
Identify the function that is NOT associated with the Na+-K+ pump: Facilitating glucose transport into cells is not a direct function of the Na+-K+ pump. Glucose transport is typically mediated by other mechanisms, such as glucose transporters.