Which one is positive feed back mechanism ?

Explain negative feed back mechanism.

What is feed back?

Name the hormones that their secretions are regulated by negative feed back mechanism.

Most of the homeostatic mechanisms operate through feed back mechanism. The best example is illustrated by

Most of the homeostatic mechanisms operate through feed back mechanism. The best example is illustrated by 1. hormones 2. enzymes 3. vitamins 4. ribozymes

What do you understand by (i) positive feed back and (ii) negative feed back?

Most of the homeostatic mechanisms oper- ate through feed back mechanism. The best exmaple is illustrated by

Most of the homeostatic mechanisms oper- ate through feed back mechanism. The best exmaple is illustrated by