Examlex
A purine or pyrimidine that differs in chemical structure from those normally found in DNA or RNA is called a(n)____________________.
Depression
A mental health disorder marked by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.
Anxiety
A feeling of worry, nervousness, or unease typically about an imminent event or something with an uncertain outcome.
Posttraumatic Stress Disorder
Posttraumatic Stress Disorder is a mental health condition triggered by a terrifying event, causing severe anxiety, flashbacks, and uncontrollable thoughts about the event.
Generalized Anxiety Disorder
A mental health disorder characterized by excessive and persistent worry about various aspects of life, not tied to any specific threat.
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