DOMAIN BACTERIA & ARCHAEA

All answers listed below are true about bacteria except

• all are prokaryotes

• all are harmful

• all are unicellular

• they do not have nucleus

What material is found in most bacterial cell walls?

• Cellulose

• Chitin

• Peptidoglycan

• Amylose

A rod-shaped bacteria is called

• spiral

• bacillus

• coccus

• vibrio

Which of the following statements are TRUE about organisms in the Domain Bacteria?

• Consist of bacteria and cyanobacteria

• Cell wall composed of chitin

• Genetic material is a single stranded DNA

• Membrane-bounded organelles are present

Based on cell shape, bacteria can be classified into these group EXCEPT

• coccus

• bacillus

• hexagon

• spiral

State the types of bacterial shapes shown above

• coccus

• coccoon

• bacillus

• rod

Which type of bacterial cell shape shown above?

• spherical

• spiral

• twisted

• spring

Escherichia coli is an example of Domain...

• Bacteria

• Archaea

• Eukarya

• Prokarya

Which of these is the example for Domain Archaea?

• Sulfolobus sp.

• Escherichia coli

• Bacillus sp.

• Salmonella sp.

Which of the following statements show characteristics of Archaebacteria?

I. The cell walls do not contain peptidoglycan.

II. There are no membrane-enclosed organelles within their cytoplasm.

III. Their DNA consist of histone proteins.

IV. Their membrane lipid has unbranched hydrocarbon chain.

• I, II and III

• II, III and IV

• I, II and IV

• I, III and IV