Bacteria

Which sentence is INCORRECT?

bacteria are living beings

bacteria are prokaryotes

bacteria have a nucleus

the name bacteria refers to their appearance

bacteria and humans both are or consist of cells

Which structure CANNOT be found in a bacterial cell?

DNA

pili

ribosomes

plasmids

lipid droplets

What is a spirochaetae?

an appendix of the bacterial cell

a particular species of bacteria

a group of bacteria sharing the same morphology

a molecule found inside a bacterium

a helical structure connecting bacteria

Spot the two model bacteria used often in studies.

Escherichia coli

Enterobacter cloacae

Bacillus cereus

Bacillus subtilis

Spirillum volutans

Bacteria can tolerate… (find the incorrect statement)

vacuum

radioactivity of more than 5000 Gy

salinity

drought

temperatures exceeding 150 °C