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Multiple Choice
Which of the following functions is NOT associated with the peroxisome?
A
Protein synthesis
B
Detoxification of hydrogen peroxide
C
Breakdown of fatty acids
D
Metabolism of reactive oxygen species
Verified step by step guidance
1
Understand the primary functions of peroxisomes in the cell. Peroxisomes are small, membrane-bound organelles that play a key role in various metabolic processes.
Recognize that peroxisomes are involved in the detoxification of hydrogen peroxide. They contain enzymes like catalase that convert hydrogen peroxide (H₂O₂) into water and oxygen, thus protecting the cell from oxidative damage.
Identify that peroxisomes are also responsible for the breakdown of fatty acids through a process called beta-oxidation. This process converts fatty acids into acetyl-CoA, which can then enter the citric acid cycle for energy production.
Acknowledge that peroxisomes are involved in the metabolism of reactive oxygen species (ROS). They help in neutralizing these potentially harmful molecules, preventing cellular damage.
Note that protein synthesis is not a function of peroxisomes. Protein synthesis primarily occurs in the ribosomes, which can be found in the cytoplasm or attached to the endoplasmic reticulum.