Base Your Answers to the Questions Below on the Following

question 5

Multiple Choice

Base your answers to the questions below on the following information:
A cell biologist interested in the transport of calcium ions (Ca2+) across the plasma membrane of bacterial cells made the following measurements on bacterial cells at 25°C:
Vm = - 150 mV [Ca2+] inside = 20 mM [Ca2+] outside = 0.4 mM
-What is the free energy change for the inward movement of calcium ions into the bacterial cell?

• A)+4.6 kcal/mol; an exergonic reaction
• B)- 4.6 kcal/mol; an endergonic reaction
• C)- 4.6 kcal/mol; an exergonic reaction
• D)+4.6 kcal/mol; an endergonic reaction
• E)none of the above

---

Definitions:

Monthly Profit

The total amount of income a business generates in a month after all expenses have been subtracted from total revenue.

Target Return

A pricing strategy where the price is set based on a desired return on investment for a product or service.

Higher Horsepower

Refers to engines or motors with greater capacity to produce power, typically resulting in enhanced performance or capability.

Right Price

The optimal price point for a product or service that balances profitability with customer satisfaction and demand.