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Questions and Answers
What is the primary function of oxidoreductases in biochemical reactions?
What is the primary function of oxidoreductases in biochemical reactions?
- Catalyze hydrolysis reactions
- Catalyze oxidation-reduction (redox) reactions (correct)
- Catalyze the transfer of functional groups from one molecule to another
- Catalyze the joining of two molecules using ATP for energy
What is the term for the condition characterized by an increase in serum total bilirubin level >1.2 mg/dL?
What is the term for the condition characterized by an increase in serum total bilirubin level >1.2 mg/dL?
- Jaundice
- Hyperbilirubinemia (correct)
- Hemolytic anemia
- Liver disease
What is the region of an enzyme where substrate molecules bind and undergo a chemical reaction?
What is the region of an enzyme where substrate molecules bind and undergo a chemical reaction?
- Catalytic site
- Binding site
- Reaction site
- Active site (correct)
What is the end-product of heme catabolism?
What is the end-product of heme catabolism?
Which of the following enzymes is involved in the degradation of heme?
Which of the following enzymes is involved in the degradation of heme?
What is the term for the different forms of the same enzyme that catalyze the same biochemical reaction?
What is the term for the different forms of the same enzyme that catalyze the same biochemical reaction?
What is the level of bilirubin that indicates jaundice?
What is the level of bilirubin that indicates jaundice?
What are the precursors for the biosynthesis of heme?
What are the precursors for the biosynthesis of heme?
What is the effect of a competitive inhibitor on $V_{max}$ and $K_m$?
What is the effect of a competitive inhibitor on $V_{max}$ and $K_m$?
Which mechanism of enzyme action explains that the enzyme changes its shape when the substrate binds?
Which mechanism of enzyme action explains that the enzyme changes its shape when the substrate binds?
What is the clinical significance of CK-MB and CK-MM?
What is the clinical significance of CK-MB and CK-MM?
What occurs to an enzyme after the optimum pH has been exceeded, leading to a decrease in the rate of enzymatic reaction?
What occurs to an enzyme after the optimum pH has been exceeded, leading to a decrease in the rate of enzymatic reaction?
What defines the $K_m$ in enzymatic reactions?
What defines the $K_m$ in enzymatic reactions?
Which of the following is an example of non-competitive inhibition?
Which of the following is an example of non-competitive inhibition?
Which are the 5 isoenzymes of Lactate Dehydrogenase?
Which are the 5 isoenzymes of Lactate Dehydrogenase?
What is hypervitaminosis?
What is hypervitaminosis?
