Multiple Choice
Which of the following terms describes the cell eating itself?
13. Intracellular Protein Transport
Lysosomal and Degradation Pathways
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The mannose 6 phosphate tag is added onto proteins for what region?
A
Targets them to the lysosome for their function
B
Targets them to the lysosome for degradation
C
Targets them for autophagosomes
D
Targets them to the cytoplasm
Verified step by step guidance1
Understand that the mannose 6-phosphate (M6P) tag is a specific marker added to certain proteins within the Golgi apparatus.
Recognize that the primary function of the M6P tag is to direct proteins to the lysosome, an organelle responsible for breaking down various biomolecules.
Differentiate between the functions of the lysosome: it can either degrade materials or facilitate the function of enzymes that require an acidic environment.
Consider the options provided: targeting to the lysosome for function, degradation, autophagosomes, or the cytoplasm.
Recall that the M6P tag specifically targets proteins to the lysosome, where they can either function as enzymes or be degraded, but not to autophagosomes or the cytoplasm.
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