Industrial Biotechnology

In bread making, what microorganism eats the sugar in bread dough which gives off carbon dioxide gas and alcohol?

• Virus
• Bacteria
• Amoeba
• Yeast

What do the following industrial products have in common: vitamins, antibiotics, acids, fabrics and glues?

• They all prevent infection
• They are all made with fermentation
• They are all sources of energy
• They are all made of sugars

What process uses bacteria to eat away at unwanted iron and minerals, leaving the valuable silver, copper and gold behind?

• Fermentation
• Bioremediation
• Biomining
• Composting

What is a fermented alcohol made from the sugar found in corn?

• Oxygen
• Hydrogen
• Acetone
• Ethanol

What is the benefit to society of using Ethanol instead of regular gasoline?

• Less expensive to produce
• Reduces carbon monoxide emissions to 25%
• It is makes cars run faster
• It is inflammable

To produce industrial ethanol, one needs corn, water, and what?

• Sodium and Chlorine
• Vitamins and minerals
• Enzymes and yeast
• Gas and oil

Sillage contains protein, oil and water and can be used as:

• An industrial antiseptic.
• Animal feed.
• A gasoline substitute.
• Hair gel.

Why are thermophilic bacteria used in the biomining of gold?

• They work in high temperatures
• They work without oxygen
• They are inexpensive to produce
• They work in California

A bioprocessing factory receives daily deliveries of oxygen to use for the:

• Workers.
• Microbes.
• Machines.
• Purification.

What process was used in prehistoric times to make cheese and wine?

• Bioremediation
• Composting
• Fermentation
• Lactation