The S strain of Pneumococcus produces smooth shiny colonies because they:

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The S strain of Pneumococcus produces smooth shiny colonies because they:

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Have Proteinaceous coat

Have Mucous coat

Have lipid coat

Form endospore

answer is A.

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Detailed Solution

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.

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