The first human hormone produced by recombinant DNA technology is:
1. Insulin
2. Estrogen
3. Thyroxin
4. Progesterone
Which one of the following is now being commercially produced by biotechnological procedures:
1. Morphine
2. Quinine
3. Insulin
4. Nicotine
1. Escherichia
2. Mycobacterium
3. Rhizobium
4. Saccharomyces