10 questions
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
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