Podcast
Questions and Answers
What is the main function of a catalyst in a chemical reaction?
What is the main function of a catalyst in a chemical reaction?
- Accelerates the reaction rate without being consumed (correct)
- Changes the direction of the reaction
- Consumes reactants to accelerate the reaction
- Slows down the reaction rate
What percentage of proteins in a typical cell are enzymes?
What percentage of proteins in a typical cell are enzymes?
- 5-10%
- 50-60%
- 10-20% (correct)
- 30-40%
Which type of molecules are coenzymes often derived from?
Which type of molecules are coenzymes often derived from?
- RNA
- Lipids
- Minerals
- Vitamins (correct)
What provides the specificity of enzyme-substrate interactions?
What provides the specificity of enzyme-substrate interactions?
What parameter determines whether a biological reaction will occur spontaneously?
What parameter determines whether a biological reaction will occur spontaneously?
Which type of reaction requires energy input?
Which type of reaction requires energy input?
What do enzymes alter in a reaction?
What do enzymes alter in a reaction?
What is the relationship between the standard free energy change and the equilibrium constant as per the text?
What is the relationship between the standard free energy change and the equilibrium constant as per the text?
What is the effect of enzymes on the equilibrium point of a reaction?
What is the effect of enzymes on the equilibrium point of a reaction?
Which factor determines the reaction equilibrium according to the text?
Which factor determines the reaction equilibrium according to the text?
What does ΔG°' being path independent mean?
What does ΔG°' being path independent mean?
What does ΔG‡ represent in a reaction?
What does ΔG‡ represent in a reaction?
How do enzymes lower the activation energy of a reaction?
How do enzymes lower the activation energy of a reaction?
What is the role of the active site in enzymes?
What is the role of the active site in enzymes?
Why do enzymes exhibit high specificity at their active sites?
Why do enzymes exhibit high specificity at their active sites?
What is the main function of enzyme-substrate interactions at the active site?
What is the main function of enzyme-substrate interactions at the active site?
Why are hydrogen bonds between an enzyme and substrate significant?
Why are hydrogen bonds between an enzyme and substrate significant?
What is one way enzymes can lower activation energy?
What is one way enzymes can lower activation energy?
Which molecular structure is X‡ along a reaction pathway?
Which molecular structure is X‡ along a reaction pathway?
