In His Transformation Experiments, What Phenomenon Did Griffith Observe

question 39

Multiple Choice

In his transformation experiments, what phenomenon did Griffith observe?

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

---

Definitions:

Dog Kennels

Structures or shelters for housing dogs, can be residential for private use or commercial for boarding.

Opportunity Cost

Opportunity cost represents the benefits an individual, investor, or business misses out on when choosing one alternative over another.

Sports Bar

A bar or tavern that provides a venue for people to watch sporting events, often equipped with multiple large-screen televisions.

Normal Return

The minimum profit needed by investors to justify the capital invested in a business venture, often equated to the opportunity cost.