What is Menarche ?

A human female experiences two major changes, menarche and menopause during her life. Mention the significance of both events.

What is cancer? What are its causes ? What are methods ot detect cancers?

What is tincture of iodine and what is it used for ?

What is gene therapy? What is humulin?

What is tapetum ? What is its function ?

What is a gene? What is the nature of gene?

What is aspartame and what is its use ?