Lipolysis process

Lipolysis process ,during lipolysis how does fat break down? How is lipolysis regulated by hormone?  How do catecholamines stimulate lipolysis?during lipolysis how does fat break down? How is lipolysis regulated by hormone?  How do catecholamines stimulate lipolysis?  How insulin inhibits lipolysis How can catecholamine inhibit lipolysis How is Glycerol not absorbed by fat cells?  Write sources and where information comes from.