In biological systems, the metal ions involved in electron transport are · ABC26IN0296

Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Bioinorganic – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Easy

In biological systems, the metal ions involved in electron transport are

(a)$\mathrm{Na}^{+}$and $\mathrm{K}^{+}$

(b)$\mathrm{Zn}^{2+}$ and $\mathrm{Mg}^{2+}$

(c)$\mathrm{Ca}^{2+}$ and $\mathrm{Mg}^{2+}$

(d)$\mathrm{Cu}^{2+}$ and $\mathrm{Fe}^{3+}$

Answer

Answer: D ✓ checked by 4AB · confidence high

Explanation

Electron transport uses redox-active Cu (blue copper, CuA) and Fe (cytochromes, Fe–S) (d).

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