Chemistry Exam > Chemistry Questions > In biological systems, the metal ions involve...
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In biological systems, the metal ions involved in electron transport are:
- a)Na+ and K+
- b)Zn2+ and Mg2+
- c)Ca2+ and Mg2+
- d)Cu2+ and Fe2+
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In biological systems, the metal ions involved in electron transport a...
Metal Ions in Electron Transport
Metal ions play a crucial role in electron transport in biological systems. They serve as electron carriers and are involved in redox reactions that generate energy. The correct option for the metal ions involved in electron transport is D, which is Cu2 and Fe2.
Copper (Cu2)
Copper ions are involved in electron transport in the electron transport chain of mitochondria. They are required for the activity of cytochrome c oxidase, which is the enzyme that catalyzes the final step in the electron transport chain, the reduction of oxygen to water. Copper ions are also involved in the formation of superoxide dismutase (SOD), an enzyme that protects cells against oxidative damage.
Iron (Fe2)
Iron ions are also involved in electron transport in the electron transport chain. They are required for the activity of iron-sulfur proteins, which are involved in transferring electrons between complexes in the electron transport chain. Iron-sulfur proteins are also involved in other redox reactions in cells.
Conclusion
In conclusion, copper and iron ions are the metal ions involved in electron transport in biological systems. They are essential for the activity of enzymes and proteins that are involved in redox reactions that generate energy and protect cells against oxidative damage.
Metal ions play a crucial role in electron transport in biological systems. They serve as electron carriers and are involved in redox reactions that generate energy. The correct option for the metal ions involved in electron transport is D, which is Cu2 and Fe2.
Copper (Cu2)
Copper ions are involved in electron transport in the electron transport chain of mitochondria. They are required for the activity of cytochrome c oxidase, which is the enzyme that catalyzes the final step in the electron transport chain, the reduction of oxygen to water. Copper ions are also involved in the formation of superoxide dismutase (SOD), an enzyme that protects cells against oxidative damage.
Iron (Fe2)
Iron ions are also involved in electron transport in the electron transport chain. They are required for the activity of iron-sulfur proteins, which are involved in transferring electrons between complexes in the electron transport chain. Iron-sulfur proteins are also involved in other redox reactions in cells.
Conclusion
In conclusion, copper and iron ions are the metal ions involved in electron transport in biological systems. They are essential for the activity of enzymes and proteins that are involved in redox reactions that generate energy and protect cells against oxidative damage.
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Community Answer
In biological systems, the metal ions involved in electron transport a...
Option A is correct, because in biological systems can use the Na+ and k+ pump.
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