In human body, the hormone that can promote protein synthesis and the enzyme that can promote protein decomposition are 1. Glucagon, helicase 2. Insulin, restriction enzyme 3. Thyroid hormone, DNA ligase 4. Growth hormone, trypsin. The protease contained in papaya can't promote the absorption of protein. Protein contained in papaya is a hydrolytic protease, which is mainly used in medicine, food processing and chemical industry. Protease promotes decomposition.