In His Transformation Experiments, What Did Griffith Observe

question 26

Multiple Choice

In his transformation experiments, what did Griffith observe?

• A) Mutant mice were resistant to bacterial infections.
• B) Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form.
• C) Mixing a heat-killed nonpathogenic strain of bacteria with a living pathogenic strain makes the pathogenic strain nonpathogenic.
• D) Infecting mice with nonpathogenic strains of bacteria makes them resistant to pathogenic strains.
• E) Mice infected with a pathogenic strain of bacteria can spread the infection to other mice.

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Definitions:

Immigration

The act of moving to a foreign country to live permanently.

Benefits of Immigration

Refers to the positive economic, social, and cultural contributions immigrants make to a host country, including workforce diversification, innovation, and demographic vitality.

Labor Standards

Regulations and laws prescribing the minimum conditions (such as wages, hours, safety) that employers must provide to workers.

Developing Countries

Nations with a lower standard of living, undeveloped industrial base, and lower Human Development Index relative to other countries.