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Questions and Answers
What is the main class of chemical reactions involving net electron transfer in proteins?
What is the main class of chemical reactions involving net electron transfer in proteins?
- Redox chemistry (correct)
- Acid-base chemistry
- Enzymatic catalysis
- Oxygen-binding chemistry
Which metal center illustrates how bioinorganic chemistry uses acid-base chemistry?
Which metal center illustrates how bioinorganic chemistry uses acid-base chemistry?
- Fens units
- Porphyrin-bound iron (correct)
- Cytochromes
- Iron-sulfur clusters
What do bioinorganic current carriers usually do with their electrons?
What do bioinorganic current carriers usually do with their electrons?
- Pass them to enzymes (correct)
- Catalyze chemical reactions
- Store them indefinitely
- Use them for energy production
Which structure is widely encountered in bioinorganic chemistry and resembles the iron-porphyrin group used for dioxygen transport?
Which structure is widely encountered in bioinorganic chemistry and resembles the iron-porphyrin group used for dioxygen transport?
What affects the metal potentials quoted for standard conditions in water?
What affects the metal potentials quoted for standard conditions in water?
What role do iron-sulfur clusters and cytochromes play in bioinorganic chemistry?
What role do iron-sulfur clusters and cytochromes play in bioinorganic chemistry?
What is the function of carbonic anhydrase?
What is the function of carbonic anhydrase?
Which metal ion is commonly found in the active site of many hydrolytic enzymes?
Which metal ion is commonly found in the active site of many hydrolytic enzymes?
What is the main function of alkaline phosphatase?
What is the main function of alkaline phosphatase?
Which metal ion is NOT commonly found in the active site of hydrolytic enzymes?
Which metal ion is NOT commonly found in the active site of hydrolytic enzymes?
What is the main function of dehydrogenases in metalloenzyme functions?
What is the main function of dehydrogenases in metalloenzyme functions?
Why do hydrolytic enzymes often contain Zn2+ ions in their active sites?
Why do hydrolytic enzymes often contain Zn2+ ions in their active sites?
What was the first metalloprotein to be discovered with Zn2+ ions?
What was the first metalloprotein to be discovered with Zn2+ ions?
In metalloenzymes, what term is used to describe the molecule being acted upon by the metalloenzyme?
In metalloenzymes, what term is used to describe the molecule being acted upon by the metalloenzyme?
What is the role of Zn2+ ions in most DNA and RNA polymerases?
What is the role of Zn2+ ions in most DNA and RNA polymerases?
Which bacterial protein regulates the expression of a mercury-detoxification system?
Which bacterial protein regulates the expression of a mercury-detoxification system?
What is the general function of Hydrolytic Enzymes?
What is the general function of Hydrolytic Enzymes?
What is the central role of Zn2+ ions in proteins containing zinc fingers?
What is the central role of Zn2+ ions in proteins containing zinc fingers?
Which metal ion is present in most DNA and RNA polymerases?
Which metal ion is present in most DNA and RNA polymerases?
What type of gene regulation system depends on the presence or absence of bound metal ions?
What type of gene regulation system depends on the presence or absence of bound metal ions?
Which class of proteins involve Zn2+-stabilized domains directly interacting with DNA?
Which class of proteins involve Zn2+-stabilized domains directly interacting with DNA?
What do metalloenzymes do?
What do metalloenzymes do?
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