step 1: why is it necessary to emulsify large fat droplets? step 2: what enzymes break down triglycerides, and what are the enzymatic products? step 3a. what types of lipid molecules are absorbed? step 4. why are triglycerides re-synthesized and packaged into chylomicrons? step 5. important detail: chylomicrons enter the lymphatic system, not the circulatory system. why is this?