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 are found in most bacterial cell wall?

• cellulose

• chitin

• peptidoglycan

• amylose

a rod shaped bacteria is called

• spiral

• bacillus

• coccus

• vibrio

the Gram-positive bacteria stain purple because

• they form endospore

• they have cellulose layer

• they have thick peptidoglycan layer

• they have thin peptidoglycan layer

prokaryotes are differentiated from eukaryotes by

• lacking of true nucleus and cytoskeleton

• lacking of membrane bounded organelle

• the flagella do not show 9+2 microtubule arrangement

• all of the above

which of the following statements are TRUE about organisms in the Domain Bacteria

• consist of bacteria and cyanobacteria

• some are photoautotroph

• genetic material is single stranded

• organelles are not present

which of the following statements about the TWO Domains of Prokaryotes is NOT TRUE

• the lipid composition of the plasma membrane in archaebacteria is different from eubacteria

• both archaebacteria and eubacteria has cell wall but archaebacteria lack peptidoglycan

• of the two groups, eubacteria are more closely related to domain eukarya

• eubacteria includes the blue green algae

Which compound in the cell wall that causes a Gram positive bacteria stain purple in colour when it is treated with crystal violet dye?

• Cellulose

• Lipoprotein

• Peptidoglycan

• Lipopolysaccharide

Cyanobacteria are…

• Photoheterotrophs

• Photoautotrophs

• Chemoautotrophs

• Chemoheterotrophs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• Consist of bacteria and cyanobacteria

• Some are photoautotrophs

• Genetic material is a single stranded DNA

• Organelles are not present