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What shape are gram negative bacteria?
Gram negative bacteria are typically rod-shaped (bacilli) or corkscrew-shaped (spirochetes). They have a double cell membrane composed of an inner and outer membrane, which contributes to their staining properties in the Gram staining technique.
Do bacteria reproduce through spores?
Endosposres are intracellular resting cells. With a few exceptions endospore formation is restricted to some large gram positive bacilli. Among cocci and spirila endospores are formed only in few species e.g. Sarcina lutea, S. ureae, Dusulfovibrio desulfuricans. Gramd negative do not form spores or endospores.
Can Alcaligenes faecalis produce endo-spores?
No, Alcaligenes faecalis cannot produce endospores. It is a Gram-negative bacterium that does not possess the capability to form endospores.
Is azospirillum a gram positive bacteria?
Gram positive
Are gram positive or negative bacteria more likely to be pathogenic?
Both gram-positive and gram-negative bacteria can be pathogenic, but gram-negative bacteria are often more associated with severe infections due to their outer membrane, which can protect them from antibiotics and the immune system. Additionally, gram-negative bacteria frequently produce endotoxins, which can lead to systemic inflammatory responses. However, many important pathogens, such as Streptococcus and Staphylococcus species, are gram-positive. Ultimately, the pathogenic potential depends on the specific bacterial species and its virulence factors.
Does bacteria produce toxins?
Yes. Bacteria do produce toxins. Usually gram positive bacteria produce exo-toxins and gram negative bacteria produce endo-toxins.
Does E. coli bacteria have spores?
The answer is no, and as for references, please visit the related link below. It's the top line.
What shape are gram negative bacteria?
Gram negative bacteria are typically rod-shaped (bacilli) or corkscrew-shaped (spirochetes). They have a double cell membrane composed of an inner and outer membrane, which contributes to their staining properties in the Gram staining technique.
Is klebsiella gram positive or negative?
i believe it is a gram bacteria which causes respiratory illness.
Do bacteria reproduce through spores?
Endosposres are intracellular resting cells. With a few exceptions endospore formation is restricted to some large gram positive bacilli. Among cocci and spirila endospores are formed only in few species e.g. Sarcina lutea, S. ureae, Dusulfovibrio desulfuricans. Gramd negative do not form spores or endospores.
Zymomonas mobilis which type of bacteria?
its a gram negative anaerobic bacteria used to ferment glucose and produce ethanol.
Can Alcaligenes faecalis produce endo-spores?
No, Alcaligenes faecalis cannot produce endospores. It is a Gram-negative bacterium that does not possess the capability to form endospores.
Is it klebsiella produce endospore?
no species of klebsiella produce endospores..klebsiella do produce capsule which helps them differentiate from Escherichia coli Klebsiella is a gram negative short rods and usually only gram positive rods such as bacillus species produce endospores. One variation to this was an organism called Sporosarcina halophila which was known to be a cocci bearing spores but this organism was later reclassified as Halobacillus halophilus, a pleomorphic bacilli.
Give the example for gram positivegram negative bacteria?
Typical gram-positive bacteria are staphylococci; typical gram-negative bacteria are bacilli.
What is the structural difference in the cell walls of gram-negative bacteria that distinguishes them from gram-positive bacteria?
Gram-negative bacteria have a thinner peptidoglycan layer in their cell walls compared to gram-positive bacteria. Additionally, gram-negative bacteria have an outer membrane that contains lipopolysaccharides, which is absent in gram-positive bacteria.
Do gram negative bacteria possess lipopolysaccharides?
Yes, gram-negative bacteria possess lipopolysaccharides.
Are endotoxins produced by gram-negative bacteria?
Yes, endotoxins are produced by gram-negative bacteria.
