What Is Unusual About the Way That H⁺ Ions Are

question 87

Multiple Choice

What is unusual about the way that H⁺ ions are transported across the inner mitochondrial membrane as compared to the movement of other ions like Na⁺ and Cl^- ions?

• A)Na⁺ and Cl^- ions must traverse the full distance, but H⁺ ions materialize on the other side of the membrane.
• B)Na⁺ and Cl^- ions must traverse the full distance, but H⁺ ions can hop through a channel by exchanging themselves with other protons found along the pathway.
• C)Na⁺ and Cl^- ions can hop through a channel by exchanging themselves with other similar ions found along the pathway, but H⁺ ions must traverse the full distance.
• D)Na⁺ and Cl^- ions must traverse the full distance, but H⁺ ions must only go halfway.
• E)Na⁺ and Cl^- ions must traverse the full distance, but H⁺ ions must change into neutrons first.

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Definitions:

Marginal Tax Bracket

The tax rate that applies to the last dollar of the taxpayer's income, illustrating the percentage of tax applied to your income for each tax bracket in which you qualify.

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Discount Rate

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