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Which streptococci are implicated in the development of dental caries?
The viridans streptococci
Are staphylococci bacteria that form a chain?
No, Streptococci are bacteria that form chains.
What traits will differentiate pathogenic streptococci found in a patient's pharynx from streptococci that are part of the normal microbiota?
Pathogenic streptococci will be beta-hemolytic, while others will not.
What enzyme distinguishes staphylococci from streptococci?
Catalase. Staphylococci are catalase positive. Streptococci are catalase negative.
What is the scientific name for streptococci?
Streptococci are bacteria that belong to the genus Streptococcus. There are 27 species of Streptococcus bacteria. The most well known bacteria in the group is Streptococcus pyogenes which is the bacteria that causes Strep throat.
What is the plural of streptococcus?
streptococci
What is the form is a bacteria?
streptococci
Why do alpha streptococci produce green color on blood agar?
All of the different streptococci are organized into three groups based on how they break down red blood cells, a process called hemolysis. The group of streptococci that perform alpha hemolysis are called alpha streptococci. In alpha hemolysis, the hydrogen peroxide produced by the streptococci oxidizes the blood's hemoglobin, turning it into methemoglobin, which is green in color.
Why do alpha streptococci produce a green color on blood agar?
All of the different streptococci are organized into three groups based on how they break down red blood cells, a process called hemolysis. The group of streptococci that perform alpha hemolysis are called alpha streptococci. In alpha hemolysis, the hydrogen peroxide produced by the streptococci oxidizes the blood's hemoglobin, turning it into methemoglobin, which is green in color.
What causes Sydenhams's?
Sydenham's is caused by certain types of streptococci called Group A beta-hemolytic streptococci or GAS bacteria.
What is the plural form of streptococcus?
streptococci
What are the examples of fastidious microorganisms?
streptococci
