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Multiple Choice
In the context of the human body, which of the following is not specifically targeted for destruction by the proteasome?
A
Damaged proteins
B
Misfolded proteins
C
Regulatory proteins
D
Normal functioning proteins
Verified step by step guidance
1
Understand the role of the proteasome: The proteasome is a protein complex in cells that degrades unneeded or damaged proteins by proteolysis, a chemical reaction that breaks peptide bonds.
Identify the types of proteins targeted by the proteasome: The proteasome specifically targets damaged proteins, misfolded proteins, and regulatory proteins that need to be degraded to maintain cellular function.
Consider the function of normal functioning proteins: Normal functioning proteins are those that are correctly folded and performing their intended roles within the cell.
Analyze why normal functioning proteins are not targeted: Since normal functioning proteins are essential for cellular processes and are not damaged or misfolded, they are not typically targeted for destruction by the proteasome.
Conclude that normal functioning proteins are not specifically targeted for destruction by the proteasome, as they are necessary for the cell's normal operations and are not marked for degradation.