Type S Streptococcus pneumoniae bacterium is lethal and will kill its host. If heat inactivated the S strain dies and becomes nonlethal. Type R Streptococcus pneumoniae is a nonvirulent strain of bacteria. What would occur if one were to inject both the R strain and heat-killed S strains into a host organism such as the mouse?The R strain would be transformed into the virulent S strain and kill the host.Neither the S nor the R strain would change.The R strain would be transformed into the virulent S strain and not affect the host.The S strain would be transformed into the nonvirulent R strain and not affect the hostThe S strain would be transformed into the nonvirulent R strain and kill the host.

The famous transformation experiment in bacteria was performed Frederick Griffith in the bacterium…

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Type S Streptococcus pneumoniae bacterium is lethal and will kill its host. If heat inactivated the S strain dies and becomes nonlethal. Type R Streptococcus pneumoniae is a nonvirulent strain of bacteria. What would occur if one were to inject both the R strain and heat-killed S strains into a host organism such as the mouse?

The R strain would be transformed into the virulent S strain and kill the host.
Neither the S nor the R strain would change.
The R strain would be transformed into the virulent S strain and not affect the host.
The S strain would be transformed into the nonvirulent R strain and not affect the host
The S strain would be transformed into the nonvirulent R strain and kill the host.

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