Microbes In Our World

Question 1

What two things cause food poisoning?

Answer 1

Bacterial intoxications and microbial infections.

Question 2

Bacteria fix nitrogen gas and converts ammonium to what?

Answer 2

Nitrites and nitrates.

Question 3

Microbes in the rumen break down glucose within cellulose; what does this end up producing?

Answer 3

Carbon dioxide and methane.

Question 4

Define bioremediation.

Answer 4

Treatment that uses naturally occurring organisms to break down hazardous substances into less toxic or non toxic substances

Question 5

Define three features of gnotobiotic animals.

Answer 5

1. Increased life span.
2. Altered physiology and immunology.
3. Reduced bowel motility which can be lethal.