F.5 Bacteria & Humans

Question 1

Mutate

Answer 1

Undergo change in genetic material as a result of an irregularity during replication

Question 2

Free-living

Answer 2

Bacteria that don’t rely on the presence of a host organism

Question 3

Normal flora

Answer 3

Microorganisms that live in other organisms (humans, animals,etc) or objects without causing disease

Question 4

Decomposer

Answer 4

Organism (i.e. soil bacteria) that decomposes organic material

Question 5

Recombinant DNA

Answer 5

DNA which is constructed out of molecules from more than one species

Question 6

Biotechnology

Answer 6

Application of technology to biology - enables modern scientists to create hybrid crops, clones of organism, treat genetic disorders, etc

Question 7

Nitrifying & ammonifying bacteria

Answer 7

Nitrifying bacteria - bacterial species which are able to oxidize ammonium in the soil to nitrates

Ammonifying bacteria - bacteria which convert ammonia into atmospheric nitrogen