Questions
The S strain of Pneumococcus produces smooth shiny colonies because they:
a
Have Mucous coat
b
Have Proteinaceous coat
c
Form endospore
d
Have lipid coat
detailed solution
Correct option is A
When Streptococcus pneumoniae (pneumococcus) bacteria are grown on a culture plate, some produce smooth shiny colonies (S) while others produce rough colonies (R). This is because the S strain bacteria have a mucous (polysaccharide) coat, while R strain does not.Talk to our academic expert!
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