I-Cell Disease Is Typified by __________

Multiple Choice

I-cell disease is typified by __________.

A) lysosomes bloated with undegraded materials
B) the production of normal levels of lysosomal enzymes without the mannose 6-phosphate residues normally present
C) lysosomal enzymes being secreted by the cell because they have not been targeted to lysosomes
D) a deficiency in N-acetylglucosamine phosphotransferase
E) All of these are correct.