Figure 13.1 -A Space Probe Returns with a Culture of a Microorganism

question 32

Multiple Choice

Figure 13.1
-A space probe returns with a culture of a microorganism found on a distant planet. Analysis shows that it is a carbon-based life-form that has DNA. You grow the cells in 15N medium for several generations and then transfer them to 14N medium. Which pattern in Figure 13.1 would you expect after one round of DNA replication if the DNA was replicated in a conservative manner?

• A) A
• B) B
• C) C
• D) D
• E) E

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Definitions:

Physical Health

The condition of a person's body, including the absence of disease, the proper functioning of systems, and the maintenance of fitness and well-being.

Stress

A physical, mental, or emotional strain or tension that arises in response to perceived challenges, demands, or threats in one's environment.

Heart Disease

Heart disease encompasses a range of conditions affecting the heart's structure and function, such as coronary artery disease, arrhythmias, and heart failure, leading to significant health risks.

Depression

A psychological disorder manifesting as a constant feeling of sadness or a diminished interest in activities, which severely affects the individual's daily life.