What Did Lederberg and Tatum's 1946 Experiment Show

question 34

Multiple Choice

What did Lederberg and Tatum's 1946 experiment show?

• A) That genetic exchange between bacterial cells is a bidirectional process
• B) That viruses are required for genetic exchange between bacterial cells
• C) That sexual recombination can occur between bacterial cells
• D) That bacterial cells can be made to uptake bits of DNA from the environment
• E) That genetic recombination in bacteria occurs at a very high rate

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Definitions:

Respiratory Rate

The number of breaths a person takes per minute, an important vital sign indicating respiratory and overall health.

Renal Reabsorption

The process in the kidneys where water and solutes are moved from the filtrate back into the bloodstream.

Aldosterone

is a steroid hormone produced by the adrenal glands; it regulates salt and water balance in the body, influencing blood pressure.

Hyposecretion

A condition characterized by the insufficient production and release of hormones by the endocrine glands.