The sodium-potassium (Na/K\')-ATPase uses energy from ATP hydrolysis to pump Na*

Question

The sodium-potassium (Na/K')-ATPase uses energy from ATP hydrolysis to pump Na* ions ou of cells and K ions inward, creating gradients of high [Na'] outside-low inside and high [K] inside -low outside. Inward movement of Na ions down their concentration gradient then drives the outward transport of Ca2 ions by another protein. A. Is the movement of K ions an example of passive transport, primary active transport, or B. Is the movement of Ca2+ ions an example of passive transport, primary active transport, or C. Are the movements of Nat and K' by the Na /K ATPase an example of uniport, antiport, simple diffusion? Answer: secondary active transport? Answer: or symport? Answer:

Explanation / Answer

A. Primary active transport.

Because this transport involves hydrolysis of ATP and is thus primary active transport.

B. Primary active transport.

C. Antiport.

Because substances are transported in two different directions.

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.