Final answer:
Galactocerebroside is formed when galactose is attached to a sphingosine molecule. Cerebrosides are sphingolipids that contain a sugar unit and are important constituents of the membranes of nerve and brain cells.
Step-by-step explanation:
Galactocerebroside is formed when galactose is attached to a sphingosine molecule. Galactocerebroside is a glycolipid and belongs to the group of cerebrosides. Cerebrosides are sphingolipids that contain a sugar unit, which can be galactose or glucose. They are important constituents of the membranes of nerve and brain cells.