Which of the Following Molecules Is Most Likely to Cross

question 10

Multiple Choice

Which of the following molecules is most likely to cross the cell membrane directly by passive diffusion?

• A)Na⁺
• B)fructose (a sugar)
• C)a steroid hormone (a hydrocarbon)
• D)insulin (a polypeptide)
• E)fructose and insulin

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Definitions:

Marginal Revenue Products

The additional revenue generated by employing one more unit of a factor of production, such as labor or capital.

Unit Costs

The cost incurred to produce, store, and sell one unit of a product, including raw material, labor, and overhead costs.

Cost-Minimizing

A strategy or approach aimed at reducing expenses to the lowest possible level while achieving the desired output.