SECTION 6-2: KINGDOM 1- BACTERIA

What are the two main types of bacteria?

Archaebacteria and Eubacteria.

What does 'Archaebacteria' translate to?

Ancient bacteria.

What are three features of all bacteria?

They are unicellular organisms, prokaryotes, and have a cell membrane and/or cell wall, DNA, ribosomes, and sometimes flagella.

What is the primary method of reproduction in bacteria?

Binary fission, which is asexual/cloning.

What is conjugation in bacteria?

A sexual method of reproduction where pili exchange DNA.

What type of environments can Archaebacteria survive in?

Extremely harsh environments such as sewage or acidic hot springs.

What do Eubacteria include that contributed to the ozone layer?

Cyanobacteria, which are their ancestors that created free oxygen.

What is an antibiotic?

Medicine that kills organisms, but not viruses.

What role do bacteria play in nutrient cycles?

Bacteria act as decomposers, producers, and aid in nitrogen fixation and environmental cleanup.

What is the significance of cell walls in bacteria regarding disease?

Different types of cell walls indicate different diseases, affecting the choice of antibiotics used.

What are enteric bacteria also known as?

Probiotics, which aid digestion in the intestines.

What is an example of a disease caused by Eubacteria?

Strep throat, pneumonia, or staph infections.