Lysosomal proteins are marked by the addition of a phosphate to a _______ group.
A) glucose
B) serine
C) GDP
D) mannose

Name: Lysosomal proteins are marked by the addition of a phosphate to a _______ group. A) glucose B) serine C) GDP D) mannose
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Question

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Lysosomal proteins are marked by the addition of a mannose sugar group through the process of glycosylation. This mannose residue is then phosphorylated, which serves as a recognition signal for the protein to be targeted to the lysosome.

Lysosomal Proteins Are Marked by the Addition of a Phosphate