10 Questions
What is a characteristic of enzymes that exhibit cooperativity?
They have a sigmoidal curve for reaction velocity vs. substrate concentration
What is the term for the effect of a molecule that binds to an enzyme at a site other than the active site?
Allosteric effect
What is the purpose of feedback inhibition in a metabolic pathway?
To regulate the flow of substrate molecules through the pathway
What is the term for an effector molecule that is different from the substrate?
Heterotropic effector
What is the effect of an increase in the concentration of G on the enzyme that converts D to E?
The enzyme is inhibited
What is the result of the binding of citrate to phosphofructokinase-1?
The enzyme is inhibited
What is the shape of the curve for reaction velocity vs. substrate concentration for enzymes that follow Michaelis-Menten kinetics?
Hyperbolic
What is the term for the binding of substrate molecules to multiple sites on an enzyme, resulting in increased catalytic activity?
Cooperativity
What is the purpose of the allosteric site on the enzyme that converts D to E?
To bind the end product of the pathway
What is the result of the inhibition of the enzyme that converts D to E?
The pathway is inhibited
This quiz covers the fundamentals of biochemistry, including electron transport chain, enzymes, and biomolecules, as well as safe handling and disposal of biologicals and pharmaceutical materials.
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