Adding sufficient heat would harm or kill a living thing. also enzymes are far more efficient. A single enzyme can often carry out thousands of reactions per second. Living organisms use enzymes for activation energy because they speed up chemical reactions.
triglyceride
GLYCOGEN
Nucleic acids are the molecules that contain the instructions for ordering amino acids in a protein.Specifically RNA is used as a template for protein synthesis.
Peptidase is the enzyme that speeds up the break down of proteins found in food. Another enzyme is called pepsin.
Protease
One characteristic of unsaturated fats is that they are liquids at room temperature.