Radioactive Thymine Is Added to Media Containing One Actively Dividing

question 61

Multiple Choice

Radioactive thymine is added to media containing one actively dividing E. coli bacterium. Which of the following outcomes would be seen after a single cell division?

• A) One of the daughter cells, but not the other, would have radioactive DNA.
• B) Neither of the two daughter cells would be radioactive.
• C) All four bases of the DNA would be radioactive.
• D) DNA in both daughter cells would be radioactive.

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Definitions:

Complex Patterns

Intricate and detailed arrangements or sequences that are often repeated or systemic in nature.

Novel Stimuli

New or unfamiliar objects or events that evoke a response from an organism.

Habituated

The process by which an organism becomes accustomed to a repeated stimulus over time and gradually stops responding to it.

Visual Acuity

The clarity or sharpness of vision, often measured by the ability to discern letters or numbers at a standardized distance according to a visual acuity chart.