If the Hypothesis That Protocells Were Based on an "RNA

question 73

Multiple Choice

If the hypothesis that protocells were based on an "RNA world" is correct,which would NOT be necessary to shift to a "DNA world"?

• A)an enzyme or reaction capable of converting ribose to deoxyribose in nucleotides
• B)enzymes for reverse transcription of RNA into DNA
• C)new enzymes to replicate the DNA
• D)new enzymes for transcribing DNA back to RNA
• E)the presence of oxygen

---

Definitions:

Memory Impairment

A reduction in the ability to remember information or events, which can range from mild forgetfulness to severe amnesia.

Temporary Speech

Language expression that is limited in duration, often resulting from transient conditions or specific situations.

Psychotic Phases

Periods characterized by delusions, hallucinations, disorganized speech or behavior, indicating a temporary break from reality.

Depression

A persistent mental health issue involving a constant sense of despair or lack of enthusiasm for activities, greatly interfering with daily habits.