As 18 Na⁺ Ions Are Exported Out of the Cell

question 37

Multiple Choice

As 18 Na⁺ ions are exported out of the cell by the Na⁺-K⁺ ATPase membrane transport protein,__________ K⁺ ions are imported into the cell.

• A) 2
• B) 12
• C) 18
• D) 24

---

Definitions:

Annual Rate

The interest rate for a period of one year, often expressed as an annual percentage rate.

Compounded Quarterly

This is the procedure of determining interest by adding it to the original investment amount as well as the previously accumulated interest, performed every quarter.

Semi-Annual Period

A six-month time frame or duration, often used in the context of payments, compounding interest, or reporting intervals.

Compounded Monthly

Refers to the calculation of interest added to the principal of a deposit or loan based on a monthly cycle.