Multiple Choice
In eukaryotic cells, which organelle contains hydrolytic enzymes that function in intracellular degradation of macromolecules?
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13. Intracellular Protein Transport
Lysosomal and Degradation Pathways
Multiple Choice
In the context of lysosomal and degradation pathways, which organelle is primarily responsible for degrading cellular waste and recycling macromolecules?
A
Smooth endoplasmic reticulum
B
Lysosome
C
Golgi apparatus
D
Mitochondrion
Verified step by step guidance1
Understand the role of each organelle listed in the problem: the smooth endoplasmic reticulum, lysosome, Golgi apparatus, and mitochondrion.
Recall that the smooth endoplasmic reticulum is mainly involved in lipid synthesis and detoxification, not degradation of cellular waste.
Recognize that the Golgi apparatus functions primarily in modifying, sorting, and packaging proteins and lipids, rather than degrading waste.
Know that mitochondria are the powerhouses of the cell, generating ATP through cellular respiration, and are not primarily responsible for degradation.
Identify the lysosome as the organelle containing hydrolytic enzymes that break down cellular waste, damaged organelles, and macromolecules, thus playing the key role in degradation and recycling.
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