Podcast
Questions and Answers
: The presence of an enzyme _____ the required energy of activation of a chemical reaction.
: The presence of an enzyme _____ the required energy of activation of a chemical reaction.
- lowers (correct)
- increases
- shifts
- alters
: Generally, as the amount of substrate is increased, the rate of the reaction is _____.
: Generally, as the amount of substrate is increased, the rate of the reaction is _____.
- lowered
- increased (correct)
- shifted
- altered
Raising the temperature to over 50C ___ the rate of an enzymatic reaction.
Raising the temperature to over 50C ___ the rate of an enzymatic reaction.
- lowers
- increases
- inhibit (correct)
- slows
Which of the following changes increases the oxygen affinity of hemoglobin?
Which of the following changes increases the oxygen affinity of hemoglobin?
The Bohr effect refers to:
The Bohr effect refers to:
7: Enzymes increase reaction rates by:
7: Enzymes increase reaction rates by:
The Michaelis constant (Km) is:
The Michaelis constant (Km) is:
Choose the correct description of an enzymatic reaction:
.
Choose the correct description of an enzymatic reaction: .
: 2,3-bisphosphoglycerate is:
: 2,3-bisphosphoglycerate is:
Which one of the following cannot be described by the MWC model of allosterism:
Which one of the following cannot be described by the MWC model of allosterism:
Which one of the following statements most accurately describes the “rate limiting step”
in a metabolic pathway?
Which one of the following statements most accurately describes the “rate limiting step” in a metabolic pathway?
Which one of the following best describes the symmetry postulate of the MWC
(concerted) model of allosterism:
Which one of the following best describes the symmetry postulate of the MWC (concerted) model of allosterism:
: Which one of the following is NOT a postulate of the KNF (sequential) model of
allosterism:
: Which one of the following is NOT a postulate of the KNF (sequential) model of allosterism:
Lowering the pH for an enzyme that works best in a highly acidic environment ___ the rate for the
reaction
Lowering the pH for an enzyme that works best in a highly acidic environment ___ the rate for the reaction
In the binding of oxygen to myoglobin, the relationship between the concentration of
oxygen and the fraction of binding sites occupied can best be described as:
In the binding of oxygen to myoglobin, the relationship between the concentration of oxygen and the fraction of binding sites occupied can best be described as:
Which of the following is not correct concerning 2,3-bisphosphoglycerate (BPG)?
Which of the following is not correct concerning 2,3-bisphosphoglycerate (BPG)?
