Hershey and Chase Determined Whether DNA or Protein Was the Genetic

question 20

Multiple Choice

Hershey and Chase determined whether DNA or protein was the genetic material in bacteriophages. What isotope did they use to label the viral DNA?

• A) ¹⁴C
• B) ¹⁵N
• C) ¹⁸O
• D) ³²P
• E) ³⁵S

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Definitions:

Electrical Charge

A physical property that causes matter to experience a force when placed in an electromagnetic field, characterized by being positive or negative.

Osteoblasts

Cells with the primary function of synthesizing bone, playing an essential role in bone growth and repair.

Electrical Charges

Properties of particles that give rise to electric forces; positive and negative charges attract each other, while like charges repel.

Epiphyseal Plate

A layer of cartilage in long bones that allows for longitudinal growth during childhood and adolescence, known as the growth plate.