What crucial role does RNA play in the RNA world hypothesis?
Only genetic information storage
Only catalysis
Both genetic information storage and catalysis
Structural support
Related Questions
If the RNA world hypothesis is correct, which of the following would be the MOST likely scenario for the emergence of DNA?
DNA spontaneously arose independent of RNA and eventually outcompeted RNA.
Proteins evolved first and then catalyzed the formation of DNA from RNA.
RNA developed the ability to synthesize deoxyribonucleotides and polymerize them, eventually leading to DNA genomes.
Extraterrestrial DNA was introduced to Earth and replaced RNA.
Which of the following contributes to the faster evolution of RNA viruses?
High mutation rate during replication
Presence of a DNA intermediate
Slower replication rate
Complex capsid structure
Which of these is NOT a supporting argument for the RNA world hypothesis?
RNA's ability to self-replicate
RNA's catalytic properties
The existence of ribozymes
DNA's higher stability
If a virus has an RNA genome, which characteristic would you MOST likely expect it to exhibit?
Slow evolution
High genomic stability
Long lifespan
Rapid evolution
Given below are two statements:
Statement I: RNA has a higher mutation rate than DNA.
Statement II: Viruses with RNA genomes and shorter lifespans exhibit faster mutation and evolution.
In light of the above statements, choose the correct answer from the options given below:
Both Statement I and Statement II are correct, and Statement II is the correct explanation of Statement I.
Both Statement I and Statement II are correct, but Statement II is not the correct explanation of Statement I.
Statement I is correct, but Statement II is incorrect.
Statement II is correct, but Statement I is incorrect.
Why do RNA viruses, particularly those with short lifespans, tend to evolve more rapidly than DNA viruses?
Lower mutation rate in RNA and longer life span
Higher mutation rate in RNA and shorter life span
Lower mutation rate in DNA and shorter life span
Similar mutation rates in RNA and DNA