Multiple choice The marker for an enzyme to go from the golgi to lysosome is acidic ph phosphomannose glucosamine galactosamine protease sensitivity Reveal answer Fill a bubble to check yourself B Correct answer Explanation Phosphomannose isomerase (PMI) catalyzes the reversible interconversion of mannose 6-phosphate and fructose 6-phosphate. Phosphomannose is used as a marker for an enzyme to go from the golgi to lysosome.