Table of Contents
- 1 Is Streptococcus Gram positive Diplococci?
- 2 Which of the following bacteria exist as Diplococci?
- 3 Which of the following are examples of Gram positive bacteria?
- 4 Is Haemophilus gram-positive?
- 5 Is Strep A diplococci?
- 6 Which of the following microbes exists as a gram negative diplococci?
- 7 Is Neisseria gonorrhoeae catalase positive?
- 8 What bacteria are Gram positive cocci in Chains?
- 9 What is Gram negative antibiotic?
Is Streptococcus Gram positive Diplococci?
Streptococcus pneumoniae is a gram-positive, encapsulated, lancet-shaped diplococci, most commonly causing otitis media, pneumonia, sinusitis, and meningitis.
Which of the following bacteria exist as Diplococci?
Diplococci Examples: Streptococcus pneumoniae, Moraxella catarrhalis, Neisseria gonorrhoeae, etc.
Which of the following are examples of Gram positive bacteria?
Mycoplasmas
Table 3. Bacilli: Low G+C Gram-Positive Bacteria | |
---|---|
Example Genus | Microscopic Morphology |
Enterococcus | Gram-positive coccus; forms microscopic pairs in culture (resembling Streptococcus pneumoniae) |
Lactobacillus | Gram-positive bacillus |
Leuconostoc | Gram-positive coccus; may form microscopic chains in culture |
What disease is caused by Diplococci bacteria?
Gonorrhea infection is a common STI caused by Neisseria gonorrhoeae, a gram-negative diplococcus bacterium that is closely related to other human Neisseria species.
Is Staphylococcus a diplococci?
Diplococci are pairs of cocci (e.g. Streptococcus pneumoniae and Neisseria gonorrhoeae) Streptococci are chains of cocci (e.g. Streptococcus pyogenes). Staphylococci are irregular (grape-like) clusters of cocci (e.g. Staphylococcus aureus).
Is Haemophilus gram-positive?
Haemophilus species are Gram-negative coccobacilli that share common ultrastructural features with other Gram-negative bacilli.
Is Strep A diplococci?
Streptococcus pneumoniae is a gram-positive, α-hemolytic, lancet-shaped diplococcus and is bile soluble and optochin sensitive. Streptococcus pneumoniae is catalase-negative but produces hydrogen peroxide.
Which of the following microbes exists as a gram negative diplococci?
Organisms belonging to the genus Neisseria are: gram-negative diplococci.
Is Diplococci Gram-negative?
Types. Examples of gram-negative diplococci are Neisseria spp. and Moraxella catarrhalis. Examples of gram-positive diplococci are Streptococcus pneumoniae and Enterococcus spp.
Is Strep A Diplococci?
Is Neisseria gonorrhoeae catalase positive?
Neisseria species are gram-negative, oxidase-positive bacteria. All are catalase positive, except some strains of N. bacilliformis and N. elongata.
What bacteria are Gram positive cocci in Chains?
Both staphylococci and streptococci are gram-positive cocci, but they are distinguished by two main criteria. Microscopically, staphylococci appear in grapelike clusters, whereas streptococci are in chains. Biochemically, staphylococci produce catalase (i.e., they degrade hydrogen peroxide), whereas streptococci do not.
What is Gram negative antibiotic?
Levofloxacin Levofloxacin is a fluoroquinolone antibiotic which is effective against gram negative bacteria and gram positive bacteria. It works by inhibiting an enzyme responsible for separating DNA during replication. A side effect of the drug is tendinitis and possible tendon rupture.
What are examples of cocci bacteria?
Bacteria: Bacilli , Spirilla and Cocci. An example of cocci is Staphylococcus hominis, and it occurs commonly on human and animal skin harmlessly, but it may occasionally cause infection in patients with weak immune systems. An example of bacilli is Escherichia coli , and these live in the intestines of animals and decompose undigested food.
What does diplococci cause?
Pneumococcal disease is a common and often mild infection, but it can sometimes result in serious health problems. These include a middle ear infection, a blood infection, pneumonia, or bacterial meningitis. The bacterium Streptococcus pneumoniae (S. pneumoniae), which is also known as pneumococcus, causes pneumococcal disease.
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