Podcast
Questions and Answers
What suffix is attached to a description of the chemical reaction catalyzed by an enzyme?
What suffix is attached to a description of the chemical reaction catalyzed by an enzyme?
- -ase (correct)
- -zyme
- -reactase
- -catalyse
What is the role of the active site in an enzyme molecule?
What is the role of the active site in an enzyme molecule?
- To convert the substrate to product
- To increase the velocity of the reaction
- To participate in substrate binding and catalysis (correct)
- To bind the product
What is the result of the binding of the substrate to the enzyme?
What is the result of the binding of the substrate to the enzyme?
- A conformational change in the enzyme (correct)
- The formation of a new product
- The inhibition of the reaction
- A conformational change in the substrate
What is the term for the number of molecules of substrate converted to product per enzyme molecule per second?
What is the term for the number of molecules of substrate converted to product per enzyme molecule per second?
What is a characteristic of enzyme-catalyzed reactions?
What is a characteristic of enzyme-catalyzed reactions?
What is the term for RNAs with catalytic activity?
What is the term for RNAs with catalytic activity?
What is the term for an active enzyme with its nonprotein component?
What is the term for an active enzyme with its nonprotein component?
Which type of molecule is a cofactor?
Which type of molecule is a cofactor?
What is the purpose of compartmentalization of enzymes in specific organelles within the cell?
What is the purpose of compartmentalization of enzymes in specific organelles within the cell?
What is the term for the energy required to convert a substance from ground state to transition state?
What is the term for the energy required to convert a substance from ground state to transition state?
What is the role of a catalyst in a chemical reaction?
What is the role of a catalyst in a chemical reaction?
How does the rate of an enzyme-catalyzed reaction change with an increase in substrate concentration?
How does the rate of an enzyme-catalyzed reaction change with an increase in substrate concentration?
What is the term for a small organic molecule that is required for enzymatic activity and transiently associates with the enzyme?
What is the term for a small organic molecule that is required for enzymatic activity and transiently associates with the enzyme?
What is the term for the increase in enzyme velocity when the temperature is increased by 10°C?
What is the term for the increase in enzyme velocity when the temperature is increased by 10°C?
What is the theory that explains the action of catalysts?
What is the theory that explains the action of catalysts?
What is the typical temperature range for optimal enzyme activity?
What is the typical temperature range for optimal enzyme activity?
Why do some enzymes, like Taq DNA polymerase, remain active at high temperatures?
Why do some enzymes, like Taq DNA polymerase, remain active at high temperatures?
How does the velocity of an enzyme reaction change with an increase in temperature?
How does the velocity of an enzyme reaction change with an increase in temperature?
At what pH does the enzyme pepsin in the stomach work best?
At what pH does the enzyme pepsin in the stomach work best?
What happens to enzyme activity when the product concentration increases?
What happens to enzyme activity when the product concentration increases?
What is the effect of ultraviolet radiation on certain enzymes?
What is the effect of ultraviolet radiation on certain enzymes?
What is the Michaelis constant (Km) representative of?
What is the Michaelis constant (Km) representative of?
What is the typical pH range at which most enzymes function?
What is the typical pH range at which most enzymes function?
What does a low value of Km indicate?
What does a low value of Km indicate?
What is the primary function of enzymes in the body?
What is the primary function of enzymes in the body?
What suffix is commonly attached to the substrate of the reaction in enzyme names?
What suffix is commonly attached to the substrate of the reaction in enzyme names?
How many major classes of enzymes are there in the systematic naming system?
How many major classes of enzymes are there in the systematic naming system?
What is the purpose of assigning two names to each enzyme?
What is the purpose of assigning two names to each enzyme?
What is the role of enzymes in biological reactions?
What is the role of enzymes in biological reactions?
What is the term for enzymes that retain their original trivial names?
What is the term for enzymes that retain their original trivial names?
