Examlex
A fragment of a DNA molecule has the base sequence TGAC.What is the complementary sequence?
African-American Teens
African-American Teens refers to adolescents who identify as African American, focusing on this demographic group's culture, challenges, and experiences.
Cocaine Use
The act of consuming cocaine, a powerful stimulant drug, which can lead to various psychological and physical effects.
Smoking Rates
The prevalence or frequency of tobacco use within a specific population or demographic group.
Identical Twin
One of a pair of twins who develop from a single fertilized egg, sharing the same genetic material.
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