Multiple Choice
In eukaryotic cells, what is the primary function of the lysosome?
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13. Intracellular Protein Transport
Lysosomal and Degradation Pathways
Multiple Choice
In eukaryotic cells, which organelle is primarily responsible for sequestering and degrading cellular waste and macromolecules?
A
Golgi apparatus
B
Mitochondrion
C
Rough endoplasmic reticulum
D
Lysosome
Verified step by step guidance1
Understand the function of each organelle listed: The Golgi apparatus modifies, sorts, and packages proteins; the mitochondrion generates ATP through cellular respiration; the rough endoplasmic reticulum synthesizes proteins.
Recall that the organelle responsible for sequestering and degrading cellular waste and macromolecules contains hydrolytic enzymes that break down biomolecules.
Identify that lysosomes are membrane-bound organelles containing digestive enzymes capable of breaking down proteins, lipids, nucleic acids, and carbohydrates.
Recognize that lysosomes function as the cell's waste disposal system by digesting unwanted materials and recycling cellular components.
Conclude that among the options, the lysosome is the organelle primarily responsible for sequestering and degrading cellular waste and macromolecules.
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