Multiple choice

Which of the following processes takes place in cis-cisterna with the cargo proteins?

  1. Removal of mannose residues and addition of N-acetylglucosamine

  2. Addition of galactose and sialic acid

  3. Removal of mannose residues

  4. Sulfation of tyrosines and carbohydrates

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cis cisterna are associated with the removal of mannose residues. Apart from it, phosphorylation of oligosaccharides on lysosomal proteins occurs in the early CGN.