Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'glucosylceramide catabolic process'?

A. The chemical reactions and pathways resulting in the formation of UTP, uridine (5'-)triphosphate.
B. The chemical reactions and pathways resulting in the breakdown of glucosylceramides, any compound formed by the replacement of the glycosidic hydroxyl group of a cyclic form of glucose by a ceramide group.
C. The chemical reactions and pathways resulting in the formation of glucosylceramides, any compound formed by the replacement of the glycosidic hydroxyl group of a cyclic form of glucose by a ceramide group.
D. The chemical reactions and pathways resulting in the breakdown of galactosylceramides, any compound formed by the replacement of the glycosidic hydroxyl group of a cyclic form of galactose by a ceramide group.

Answer: The chemical reactions and pathways resulting in the breakdown of glucosylceramides, any compound formed by the replacement of the glycosidic hydroxyl group of a cyclic form of glucose by a ceramide group.