Transubstantiation holds deep religious importance in Catholicism; understand the reverence associated with it. Catholics celebrate transubstantiation during Mass.
Pro Tip 2/3
Not Literal
The change during transubstantiation is spiritual, not physical - the bread and wine do not alter in taste or appearance. Despite transubstantiation, the wine looks and tastes the same.
Pro Tip 3/3
Debate and Diversity
Different Christian denominations have varied beliefs about transubstantiation - it's a uniquely Catholic concept. Lutherans have a different interpretation of transubstantiation than Catholics.