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Most are not. Gram positive archaea have a thick, single cell membrane. Gram negative archaea have two thinner membranes with a region in between them called the periplasm. The periplasm make make up 40% of certain archaea bacteria. The illustrated mechanisms of methanogen metabolism all require a membrane across which a Na+ and H+ chemical-electric gradient can be produced. This is not possible in gram positive archaea.
There may be another mechanism of metabolism which yields methane. Those methanogens that make use of the substrates H2+CO2, formate, methanol, methylamines and acetate are all gram negative.
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Is Staphylococcus saprophyticus gram positive or negative?
Staphylococcus saprophyticus is a Gram-positive bacterium.
Is tetanus gram positive or gram negative?
Tetanus is caused by the bacterium Clostridium tetani, which is a Gram-positive bacterium.
Is pityrosporon ovale gram positive or gram negative?
Pityrosporon ovale is a type of yeast that is gram positive.
Is lactobacillus casei is a gram negative bacteria or gram positive?
Lactobacillus casei is a Gram-positive bacteria. It has a thick layer of peptidoglycan in its cell wall, which retains the crystal violet stain in the Gram staining process, showing a purple color under a microscope.
Is S epidermidis gram negative or gram positive?
S. epidermidis is a Gram-positive bacterium. It appears purple when subjected to a Gram stain due to its thick peptidoglycan layer in the cell wall.
Is Staphylococcus saprophyticus gram positive or negative?
Staphylococcus saprophyticus is a Gram-positive bacterium.
Is MRSA gram positive or gram negative?
gram positive
Micrococcus luteus gram positive or gram negative?
Micrococcus luteus is a gram-positive bacterium.
Is Bacillus Cereus gram positive or negative?
It's a gram positive rod
Is tetanus gram positive or gram negative?
Tetanus is caused by the bacterium Clostridium tetani, which is a Gram-positive bacterium.
Is pityrosporon ovale gram positive or gram negative?
Pityrosporon ovale is a type of yeast that is gram positive.
Is bacillius subtilis gram positive or gram negative?
Gram positive
Is staphylococci epidermidis gram-negative or gram-positive?
gram positive
Is sporosarcina gram positive?
Yes, Sprosarcina is gram positive. It also has flagella (halophilia)
Candida albicans gram positive or gram negative?
Candida albicans is a yeast and belongs to the fungal kingdom, so it does not have a gram classification like bacteria. Gram staining is a technique used to differentiate between gram-positive and gram-negative bacteria based on the composition of their cell walls.
Is botulism gram positive or gram negative?
Spore forming, gram positive rods
Is azospirillum a gram positive bacteria?
No, Azospirillum is a gram-negative bacteria.
