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Questions and Answers
What is the primary factor that seems to influence the use of certain metal ions in bioinorganic chemistry?
What is the primary factor that seems to influence the use of certain metal ions in bioinorganic chemistry?
- Their relative abundance (correct)
- Their toxicity
- Their kinetic inertness
- Their chemical properties
Which of the following metal ions is rarely utilized in bioinorganic chemistry due to its kinetic inertness?
Which of the following metal ions is rarely utilized in bioinorganic chemistry due to its kinetic inertness?
- Co3+
- V3+
- Cr3+ (correct)
- Fe3+
What is the function of iron-sulfur clusters in proteins?
What is the function of iron-sulfur clusters in proteins?
- Signal transduction
- Electron-transfer (correct)
- Oxygen transport
- Structural support
Why are heavier transition elements, such as technetium and platinum, not commonly found in bioinorganic systems?
Why are heavier transition elements, such as technetium and platinum, not commonly found in bioinorganic systems?
What is the function of vanadium in certain types of sea squirts?
What is the function of vanadium in certain types of sea squirts?
How do cells concentrate specific metal ions when they are required for a particular purpose?
How do cells concentrate specific metal ions when they are required for a particular purpose?
What is the function of cofactors in bioinorganic chemistry?
What is the function of cofactors in bioinorganic chemistry?
What is the term used to describe metal-containing units that serve as 'bioinorganic chips'?
What is the term used to describe metal-containing units that serve as 'bioinorganic chips'?
Which of the following metals is the most abundant transition metal in the Earth's crust?
Which of the following metals is the most abundant transition metal in the Earth's crust?
Why do some ascidians accumulate transition metals such as Ti, Cr, and Nb?
Why do some ascidians accumulate transition metals such as Ti, Cr, and Nb?
What is the central principle that helps us understand the choice of metal-containing units in biology?
What is the central principle that helps us understand the choice of metal-containing units in biology?
Why are certain metal ions, such as titanium, underutilized in biology?
Why are certain metal ions, such as titanium, underutilized in biology?
How do certain metal ions, such as sodium, pass through cell membranes?
How do certain metal ions, such as sodium, pass through cell membranes?
Why are some metal ions, such as iron, not readily bioavailable?
Why are some metal ions, such as iron, not readily bioavailable?
What is required for metal ions to be absorbed by cells?
What is required for metal ions to be absorbed by cells?
What is the relative abundance of essential metals in biology compared to nonessential metals?
What is the relative abundance of essential metals in biology compared to nonessential metals?
What property of metal ions is beneficial for rapid assembly and disassembly of metal cores?
What property of metal ions is beneficial for rapid assembly and disassembly of metal cores?
How can low-abundance metal ions be selected for specific functions?
How can low-abundance metal ions be selected for specific functions?
What is the purpose of metal-binding cofactors in biological systems?
What is the purpose of metal-binding cofactors in biological systems?
What is the primary function of alkali- and alkaline-earth ions in biological systems?
What is the primary function of alkali- and alkaline-earth ions in biological systems?
What is unique about the utilization of metal ions in biological systems?
What is unique about the utilization of metal ions in biological systems?
What is the significance of first-row transition-metal ions in biology?
What is the significance of first-row transition-metal ions in biology?
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