Lederberg and Tatum's Experiments Demonstrated That

question 56

Multiple Choice

Lederberg and Tatum's experiments demonstrated that

• A)bacteria can acquire genetic material from each other.
• B)bacteria do not release DNA into the environment for other bacteria to take up.
• C)bacteria must be in physical contact in order for bacteria to exchange genetic material.
• D)the genetic transfer occurred when the bio+,met+ phe-thr- strain transferred DNA to the bio-met- strain.
• E)All of these observations were made by Lederberg and Tatum.

---

Definitions:

Continuous Random Variable

A type of random variable that can take on an infinite number of values in a continuum.

Expected Cost

The forecasted average amount of money that would be spent on a particular event or activity.

Mean Cost

The average cost of producing one unit of a product or service, calculated by dividing the total cost by the number of units produced.

Rats

Small rodents often used in scientific research to study genetics, diseases, and the effects of drugs.