Biotechnology and Traditional Technology (Grade 11 NSC Matric Life Sciences): Flashcards

Use of micro-organisms to produce substances benefiting humans

Penicillin (first antibiotic discovered)

Regulates blood glucose levels

E. coli (rapid reproduction & well-understood genetics)

Plasmid with inserted gene from another organism

Yeasts break down glucose without oxygen

Ethyl alcohol, carbon dioxide, energy

Converts lactose to lactic acid

Produce $CO_2$ to make dough rise

Using micro-organisms (esp. yeasts) in fermentation processes