Bacteriology and Virology

Gram negative bacteria do not have peptidoglycan T/F

False

Peptidoglycan is a unique macromolecule found in bacterial

cell walls

Bacteria are commonly found in your throat include

all of these (Moraxella catarrhalis, Streptococcus mitis, Corynebacterium pseudodipthericum, Moraxella catarrhalis)

Which following are gram-postive bacteria?

Staphylococcus aureus

Streptococcus salivarius BLIS K12 is a probiotic strain against bacterial pharyngo-tonsillitis in the human oral cavity T/F

True

Neisseria lactamica in the human oral cavity may prevent meningococcal meningitis T/F

True

The microorganisms that do not have nucleus in their cells are called

prokaryotes

The bacteria with palisade arrangement is

Corynebacterium pseudodipthericum

Bacteria chromosome are inside nucleus T/F

False

E. coli is a gram-positive bacteria T/F

False

Bacteria are in the domain ________ and composed of _______ cells.

Bacteria, prokaryotic

All bacterial cells have

chromosome