You apparently do not know what transubstantiation means. Transubstantiation does not change outward characteristics-— appearance, scent, taste, weight, molecular structure, chemical characteristics, etc.
You apparently have no sense of humor.
"Transubstantiation does not change outward characteristics-— appearance, scent, taste, weight, molecular structure, chemical characteristics, etc."
In other words, it doesn't change at all. I know.