17 Questions
What is a simple enzyme composed of?
Only protein (amino acid chains)
Which part does not have catalytic properties in a conjugated enzyme?
The combination of apoenzyme with cofactor
What combination produces a holoenzyme?
Apoenzyme + cofactor
What do cofactors provide in addition to amino acid side chains in apoenzymes?
Additional chemically reactive functional groups
Which of the following is a typical inorganic ion cofactor?
$ ext{Zn}^{2+}$
What is the role of a coenzyme in a conjugated enzyme?
Functions as a cofactor
Which of the following is NOT a focal point for the nomenclature of enzymes?
The structure of the enzyme
Which of the following is a characteristic of enzyme specificity?
Enzymes have a very high affinity for their substrates
Which of the following is a factor that can affect enzyme activity?
All of the above
What is the purpose of enzyme inhibition?
To regulate the activity of the enzyme
What is the role of allosteric enzymes in the regulation of enzyme activity?
Allosteric enzymes can be both activated and inhibited by the binding of regulatory molecules
What is the function of proteolytic enzymes and zymogens in the regulation of enzyme activity?
Both b and c are correct
What is the primary function of enzymes in the human body?
To catalyze biochemical reactions and increase their rate
How do enzymes affect the rate of cellular reactions?
Enzymes decrease the activation energy required for the reaction to occur
What is the primary factor that can lead to enzyme denaturation?
Increases in pH
What is the relationship between enzyme structure and function?
Enzyme structure is crucial for its specific catalytic activity
Which of the following is the most important consideration when handling enzymes in a laboratory setting?
Avoiding contamination
Explore the role of enzymes as catalysts for biochemical reactions in living organisms. Learn how enzymes speed up cellular processes and the importance of specific enzymes for different reactions.
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