I didn\'t talk about this, but what prevents the acidic conditions of the stomac

Question

I didn't talk about this, but what prevents the acidic conditions of the stomach from denaturing proteolytic enzymes such as pepsin? What is a zymogen? How are proteolytic zymogens activated? What are the general features of a signal transduction pathway? Give an example of a type III trans-membrane protein that functions as a receptor in a signaling pathway? What is the ligand? What is a heterotrimeric G protein? What are the roles of the different subunits? What is the role of enzymes such as adenylate cyclase or Phospholipase C in signal transduction pathways? What is a second messenger? Name and draw secondary messengers derived from : nucleotides and phospholipids What is meant by the term 'intermediate metabolism'?

Explanation / Answer

these many questions in a single post..! Do you know that asking multiple questions in a single post is against Cramster's rules.? split the question..to get positive replies..

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