Frederick Griffith's seminal experiment demonstrating DNA as the heritable material utilized two strains of S. pneumonae....

  

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Frederick Griffith's seminal experiment demonstrating DNA as the heritable material utilized two strains of S. pneumonae. One strain (S) was pathogenic, and one strain (R) was non-pathogenic. The S strain was pathogenic. Structurally the strains only differed by the presence or absence of a capsule. How might the presence of a capsule alter pathogenicity? Frederick Griffith's seminal experiment demonstrating DNA as the heritable material utilized two strains of S. pneumonae. One strain (S) was pathogenic, and one strain (R) was non-pathogenic. The S strain was pathogenic. Structurally the strains only differed by the presence or absence of a capsule. How might the presence of a capsule alter pathogenicity?

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The presence of a capsule in certain strains of bacteria such as the S pneumoniae S strain in Griffi... View the full answer