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Multiple Choice
Which of the following best describes a prosthetic group in organic chemistry?
A
A molecule that acts as a catalyst in biochemical reactions.
B
A non-protein molecule that is permanently attached to a protein and is essential for its function.
C
A temporary molecule that binds to a protein during a reaction but is not essential for its function.
D
A type of functional group that is involved in hydrogen bonding.
Verified step by step guidance
1
Understand the concept of a prosthetic group: In organic chemistry, a prosthetic group is a non-protein molecule that is permanently attached to a protein and is essential for its function.
Differentiate between a prosthetic group and other types of molecules: Unlike temporary molecules that bind to proteins during reactions, prosthetic groups are permanently attached and crucial for the protein's activity.
Recognize the role of prosthetic groups in biochemical reactions: They often assist in the protein's biological activity, such as catalysis or structural stability.
Identify examples of prosthetic groups: Common examples include heme in hemoglobin and flavin in flavoproteins, which are integral to the protein's function.
Clarify misconceptions: Prosthetic groups are not catalysts themselves, nor are they involved in hydrogen bonding as a functional group. They are distinct in their permanent attachment and essential role in protein function.