The Base Adenine Forms from ________ in Experiments Simulating the Origin

question 47

Multiple Choice

The base adenine forms from ________ in experiments simulating the origin of life on Earth.

• A) carbon dioxide and nitrate
• B) ethanol and urea
• C) methane and ammonia
• D) adenosine and PO4
• E) ribose and RNA

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Definitions:

Seasonal Affective Disorder

A type of depression that's related to changes in seasons, typically starting in the late fall and early winter and going away during the spring and summer.

Implicated Hormone

A hormone suspected or proven to play a role in the physiological or behavioral processes being studied.

Preventative Strategies

Approaches or measures taken to prevent the occurrence or recurrence of diseases, disorders, or injuries.

Suicide Rates

The number of suicide deaths in a given population and time period, often expressed per 100,000 individuals per year.