Retroviruses, Such as HIV, Have an Enzyme That Allows Them

question 150

Multiple Choice

Retroviruses, such as HIV, have an enzyme that allows them to catalyze DNA synthesis from an RNA template.This evidence supports the hypothesis that

• A) RNA itself cannot be a catalyst.
• B) early life consisted of an "RNA world."
• C) RNA probably came from an extraterrestrial source.
• D) chemical evolution led to polymerization.
• E) DNA polymers form from RNA monomers.

---

Definitions:

Methadone

A synthetic opioid used for pain management and as part of medication-assisted treatment for opioid use disorder.

Psychological Dependence

A form of dependence characterized by a perceived need to use a substance for emotional relief or to achieve altered states of consciousness.

Physical Dependence

A physiological state of adaptation to a specific psychoactive substance, characterized by the emergence of withdrawal symptoms when the substance is discontinued.

Hypnogogic Hallucination

Vivid, often bizarre sensory experiences that occur during the transition from wakefulness to sleep, typically not associated with pathological conditions.