Question

enzymes that break up lipids and fats into smaller segments

Answer 1

It's called Lipase, the enzyme.

Answer 2

“Chemical digestion breaks down different nutrients, such as proteins, carbohydrates, and fats, into even smaller parts:
Fats break down into fatty acids and monoglycerides.
Nucleic acids break down into nucleotides.
Polysaccharides, or carbohydrate sugars, break down into monosaccharides.”