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Questions and Answers
What type of inhibitor binds to an allosteric site on the protein?
What type of inhibitor binds to an allosteric site on the protein?
- Un-competitive inhibitor
- Competitive inhibitor
- Non-competitive inhibitor (correct)
- Irreversible inhibitor
What is the effect of a non-competitive inhibitor on the Km and Vmax of an enzyme?
What is the effect of a non-competitive inhibitor on the Km and Vmax of an enzyme?
- Km remains the same, Vmax decreases (correct)
- Km increases, Vmax remains the same
- Km increases, Vmax decreases
- Km decreases, Vmax increases
What type of inhibitor binds only to the enzyme-substrate complex?
What type of inhibitor binds only to the enzyme-substrate complex?
- Un-competitive inhibitor (correct)
- Non-competitive inhibitor
- Irreversible inhibitor
- Competitive inhibitor
What is the effect of a competitive inhibitor on the Km and Vmax of an enzyme?
What is the effect of a competitive inhibitor on the Km and Vmax of an enzyme?
What is irreversible inhibition?
What is irreversible inhibition?
What is the effect of an un-competitive inhibitor on the Km and Vmax of an enzyme?
What is the effect of an un-competitive inhibitor on the Km and Vmax of an enzyme?
What type of inhibitor increases Km, but does not affect Vmax?
What type of inhibitor increases Km, but does not affect Vmax?
What is the effect of a non-competitive inhibitor on the Lineweaver-Burk plot?
What is the effect of a non-competitive inhibitor on the Lineweaver-Burk plot?
What is the name of the method used to linearize the non-linear Michaelis-Menten equation?
What is the name of the method used to linearize the non-linear Michaelis-Menten equation?
What is the effect of a competitive inhibitor on the Km of an enzyme?
What is the effect of a competitive inhibitor on the Km of an enzyme?
What is the name of the model proposed to describe enzyme kinetics in 1913?
What is the name of the model proposed to describe enzyme kinetics in 1913?
What is the term for the regulation of enzyme activity by gene expression?
What is the term for the regulation of enzyme activity by gene expression?
What is the name of the authors of the biochemistry textbook 'Biochemistry'?
What is the name of the authors of the biochemistry textbook 'Biochemistry'?
What is the term for the phenomenon where multiple substrate binding sites are present on an enzyme?
What is the term for the phenomenon where multiple substrate binding sites are present on an enzyme?
What is the term for the type of inhibition where the inhibitor binds to an allosteric site on the enzyme?
What is the term for the type of inhibition where the inhibitor binds to an allosteric site on the enzyme?
What is the term for the type of inhibition where the inhibitor binds to the active site of the enzyme?
What is the term for the type of inhibition where the inhibitor binds to the active site of the enzyme?
Which subunit combination represents the LDH isozyme specific to the skeletal muscle and liver?
Which subunit combination represents the LDH isozyme specific to the skeletal muscle and liver?
Which disease is associated with increased levels of all five isozymes of LDH?
Which disease is associated with increased levels of all five isozymes of LDH?
What does ELISA stand for?
What does ELISA stand for?
Which enzyme is used as a biomarker for acute pancreatitis?
Which enzyme is used as a biomarker for acute pancreatitis?
What is the primary location of the HHHH LDH isozyme?
What is the primary location of the HHHH LDH isozyme?
Which enzyme is a diagnostic marker for viral hepatitis?
Which enzyme is a diagnostic marker for viral hepatitis?
What is the biomedical importance of γ-glutamyl transferase?
What is the biomedical importance of γ-glutamyl transferase?
What is the principle behind ELISA?
What is the principle behind ELISA?
Which factor is NOT listed as affecting enzyme activity?
Which factor is NOT listed as affecting enzyme activity?
Why is enzyme expression not useful for rapid adaptation?
Why is enzyme expression not useful for rapid adaptation?
Which condition causes most enzymes to denature?
Which condition causes most enzymes to denature?
Which statement best describes feedback inhibition?
Which statement best describes feedback inhibition?
What happens when effectors bind to the enzyme at the substrate (active) site?
What happens when effectors bind to the enzyme at the substrate (active) site?
What happens to the reaction rate with a 10 °C temperature rise?
What happens to the reaction rate with a 10 °C temperature rise?
How does a change in pH potentially affect enzyme activity?
How does a change in pH potentially affect enzyme activity?
Which type of inhibition is described when the enzyme's activity is regulated by the molecule that binds elsewhere than the active site?
Which type of inhibition is described when the enzyme's activity is regulated by the molecule that binds elsewhere than the active site?
Where do allosteric effectors bind to an enzyme?
Where do allosteric effectors bind to an enzyme?
What happens to KM during K-type regulation?
What happens to KM during K-type regulation?
What is the effect on Vmax during V-type regulation?
What is the effect on Vmax during V-type regulation?
What is a characteristic of isoenzymes?
What is a characteristic of isoenzymes?
Which isoenzyme is associated with cardiac muscle?
Which isoenzyme is associated with cardiac muscle?
What can happen during mixed forms of allosteric regulation?
What can happen during mixed forms of allosteric regulation?
During enzyme inhibition, which type of inhibitor does not affect the binding of the substrate?
During enzyme inhibition, which type of inhibitor does not affect the binding of the substrate?
What is an allosteric inhibitor's effect on enzyme activity?
What is an allosteric inhibitor's effect on enzyme activity?
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