Historically, the gram-positive forms made up the phylum Firmicutes, a name now used for the largest group. It includes many well-known genera such as Bacillus, Listeria, Staphylococcus, Streptococcus, Enterococcus, and Clostridium. It has also been expanded to include the Mollicutes, bacteria like Mycoplasma that lack cell walls and so cannot be stained by Gram, but are derived from such forms.

could bacteria that do not contain cell walls be stained using gram stain?

OPTIONS:
- no
- yes
no
Historiskt utgjorde de grampositiva formerna fylumet Firmicutes, ett namn som nu används för den största gruppen. Den innehåller många välkända släkten som Bacillus, Listeria, Staphylococcus, Streptococcus, Enterococcus och Clostridium. Den har också utökats till att omfatta mollicuterna, bakterier som Mycoplasma som saknar cellväggar och så inte kan färgas av gram, utan härrör från sådana former. Kan bakterier som inte innehåller cellväggar färgas med hjälp av gramfläck? ALTERNATIV: - nej - ja
Historically, the gram-positive forms constituted the phylum Firmicutes, a name now used for the largest group. It contains many well-known genera such as Bacillus, Listeria, Staphylococcus, Streptococcus, Enterococcus and Clostridium. It has also been expanded to include the mollicutes, bacteria such as Mycoplasma that lack cell walls and so cannot be coloured by grams, but derived from such forms. Can bacteria that do not contain cell walls be stained with gram stain? ALTERNATIVE: - no - yes
nt
nt