If Hershey and Chase Had Found ³⁵S in Both the Pellet

question 139

Multiple Choice

If Hershey and Chase had found ³⁵S in both the pellet and the supernatant, what would have been their likely conclusion about the nature of DNA replication?

• A) A protein must be the information molecule.
• B) No conclusion would have been possible from these results.
• C) DNA is the genetic information molecule.
• D) Phage must have stuck to the bacteria.
• E) Phosphorus was in the information molecule.

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Definitions:

Appositional Bone Growth

The process by which bones increase in diameter and thickness through the addition of bone tissue at the surface.

Interstitial Growth

The growth process where tissues increase in size by the division and expansion of cells within the tissue, common in cartilage growth.

Epiphyseal Plate

A layer of cartilage located at the ends of long bones where new bone growth occurs in children and adolescents.

Articular Cartilage

A sleek, white substance that envelops the extremities of bones at their junctions, aiding in the diminution of friction and the absorption of impacts.