Which vaccine is produced using yeast?

The first hormone prepared by genetic engineering is:

Genetically engineered human insulin is manufactured by the use of

Which one of the following is now being commercially produced by biotechnological procedures?

Which human hormone was the first to be produced using recombinant $DNA$ technology?

Many proteins are secreted in their inactive form. This is also true of many toxic proteins produced by microorganisms. Explain how this mechanism is useful for the organism producing the toxin?