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Questions and Answers
Which mineral is essential for the function of cytochrome?
Which mineral is essential for the function of cytochrome?
- Copper and Silver (Cu and Ag)
- Magnesium (Mg)
- Iron (Fe) (correct)
- Copper (Cu)
What is the most abundant secondary structure observed in proteins?
What is the most abundant secondary structure observed in proteins?
- Non-parallel beta-pleated sheet
- Parallel beta-pleated sheet
- Beta-pleated sheet
- Alpha-helix (correct)
Who is credited with coining the term 'enzyme'?
Who is credited with coining the term 'enzyme'?
- Pasteur
- Buchner
- Kuhne (correct)
- Urey Miller
In eukaryotes, where does beta-oxidation primarily take place?
In eukaryotes, where does beta-oxidation primarily take place?
What is Koshland's theory of enzyme action commonly known as?
What is Koshland's theory of enzyme action commonly known as?
Which of the following minerals plays a central role in the electron transport chain as part of cytochrome proteins?
Which of the following minerals plays a central role in the electron transport chain as part of cytochrome proteins?
What structural characteristic distinguishes an alpha-helix from a beta-pleated sheet in proteins?
What structural characteristic distinguishes an alpha-helix from a beta-pleated sheet in proteins?
What contribution did Kuhne make to the field of Biochemistry?
What contribution did Kuhne make to the field of Biochemistry?
Why is the compartmentalization of beta-oxidation within the mitochondria important for cellular function?
Why is the compartmentalization of beta-oxidation within the mitochondria important for cellular function?
How does the 'Induced Fit Model' differ from the 'Lock and Key Model' in explaining enzyme-substrate interactions?
How does the 'Induced Fit Model' differ from the 'Lock and Key Model' in explaining enzyme-substrate interactions?
Which of the following elements is directly involved in the redox reactions carried out by cytochromes?
Which of the following elements is directly involved in the redox reactions carried out by cytochromes?
What type of bonds are primarily responsible for stabilizing the alpha-helical structure of proteins?
What type of bonds are primarily responsible for stabilizing the alpha-helical structure of proteins?
What was a key contribution of Wilhelm Kuhne to the development of biochemistry, besides coining the term 'enzyme'?
What was a key contribution of Wilhelm Kuhne to the development of biochemistry, besides coining the term 'enzyme'?
If beta-oxidation were to occur unchecked in the cytoplasm, what potential consequence would it have on the cell?
If beta-oxidation were to occur unchecked in the cytoplasm, what potential consequence would it have on the cell?
In the 'Induced Fit Model,' what change occurs in the enzyme structure upon substrate binding?
In the 'Induced Fit Model,' what change occurs in the enzyme structure upon substrate binding?
How does iron contribute specifically to the function of cytochrome c oxidase in the electron transport chain?
How does iron contribute specifically to the function of cytochrome c oxidase in the electron transport chain?
What would be the most immediate effect on protein structure if hydrogen bonds within an alpha-helix were disrupted?
What would be the most immediate effect on protein structure if hydrogen bonds within an alpha-helix were disrupted?
What aspect of enzyme function did Kuhne's work primarily aim to elucidate when he coined the term 'enzyme'?
What aspect of enzyme function did Kuhne's work primarily aim to elucidate when he coined the term 'enzyme'?
How does the location of beta-oxidation in mitochondria protect other cellular processes?
How does the location of beta-oxidation in mitochondria protect other cellular processes?
What key experimental evidence supports the 'Induced Fit Model' over the 'Lock and Key Model'?
What key experimental evidence supports the 'Induced Fit Model' over the 'Lock and Key Model'?
Which metal-containing protein facilitates the final transfer of electrons to oxygen in the mitochondrial electron transport chain?
Which metal-containing protein facilitates the final transfer of electrons to oxygen in the mitochondrial electron transport chain?
What is the significance of hydrogen bonds in maintaining the secondary structure of proteins?
What is the significance of hydrogen bonds in maintaining the secondary structure of proteins?
How did Wilhelm Kuhne's definition of enzymes influence further research in biochemistry?
How did Wilhelm Kuhne's definition of enzymes influence further research in biochemistry?
What role does compartmentalization play in the regulation of metabolic pathways, such as beta-oxidation?
What role does compartmentalization play in the regulation of metabolic pathways, such as beta-oxidation?
If an enzyme’s active site changed shape to accommodate the substrate after binding, which model of enzyme action would this support?
If an enzyme’s active site changed shape to accommodate the substrate after binding, which model of enzyme action would this support?
Why is iron a suitable element for cytochromes involved in the electron transport chain?
Why is iron a suitable element for cytochromes involved in the electron transport chain?
Why is the alpha-helix a common secondary structure in proteins found in biological systems?
Why is the alpha-helix a common secondary structure in proteins found in biological systems?
Other than coining the term, what specific experimental approach did Kuhne pioneer that advanced the study of enzymes?
Other than coining the term, what specific experimental approach did Kuhne pioneer that advanced the study of enzymes?
What is a significant disadvantage of performing beta-oxidation in the cytoplasm rather than the mitochondria?
What is a significant disadvantage of performing beta-oxidation in the cytoplasm rather than the mitochondria?
Flashcards
Mineral in Cytochromes
Mineral in Cytochromes
Iron (Fe) is a mineral associated with cytochromes, playing a crucial role in electron transfer processes.
Common Protein Structure
Common Protein Structure
The alpha-helix (α-helix) is the most common secondary structure found in proteins, characterized by its coiled shape stabilized by hydrogen bonds.
Who coined 'Enzyme'?
Who coined 'Enzyme'?
The term 'enzyme' was coined by Kuhne.
Location of Beta-oxidation
Location of Beta-oxidation
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Study Notes
- Iron (Fe) is the mineral associated with cytochrome.
- The most common secondary structure of proteins is the β-pleated sheet.
- The term "enzyme" was coined by Kuhne.
- β-oxidation occurs in the mitochondria.
- Koshland's theory of enzyme action is examined.
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