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Multiple Choice
In the context of glycoproteins, which of the following is considered the prosthetic group?
A
Nucleotide
B
Carbohydrate
C
Lipid
D
Phosphate
Verified step by step guidance
1
Understand the concept of a prosthetic group: In biochemistry, a prosthetic group is a non-polypeptide unit that is tightly and permanently attached to a protein and is essential for its biological activity.
Identify the components listed in the problem: Nucleotide, Carbohydrate, Lipid, and Phosphate.
Recognize the role of carbohydrates in glycoproteins: Glycoproteins are proteins that have carbohydrate groups attached to the polypeptide chain. These carbohydrates are crucial for the protein's function and stability.
Compare the options: Nucleotides, lipids, and phosphates are not typically associated with glycoproteins as prosthetic groups. Carbohydrates, however, are directly involved in the structure and function of glycoproteins.
Conclude that carbohydrates are the prosthetic group in glycoproteins, as they are integral to the protein's function and are permanently attached.