The RNA world hypothesis posits RNA as the primary genetic material before DNA. Which of the following properties of RNA is LEAST supportive of this hypothesis?
RNA's ability to catalyze reactions (ribozymes)
RNA's ability to store genetic information
RNA's susceptibility to alkaline hydrolysis
The presence of RNA in key cellular processes like translation
Related Questions
Which of the following is considered a potential precursor to RNA in the RNA world hypothesis?
Deoxyribonucleic acid (DNA)
Proteins
Peptide nucleic acid (PNA)
Lipids
What are RNA molecules with catalytic activity called?
Enzymes
Ribozymes
Ribosomes
Deoxyribozymes
The RNA world hypothesis posits RNA as the primary genetic material before DNA. Which of the following properties of RNA is LEAST supportive of this hypothesis?
RNA's ability to catalyze reactions (ribozymes)
RNA's ability to store genetic information
RNA's susceptibility to alkaline hydrolysis
The presence of RNA in key cellular processes like translation
In the context of the RNA world hypothesis, what is the significance of ribozymes?
They store genetic information.
They are building blocks of proteins.
They demonstrate that RNA can catalyze reactions.
They transport amino acids.
The RNA world hypothesis suggests that self-replicating RNA molecules were crucial for the origin of life. What is a major challenge to the idea of self-replicating RNA?
RNA's inherent stability
The simplicity of RNA's structure
The abundance of free nucleotides in early Earth environments
The complexity of RNA replication without enzymatic assistance
If you were to analyze the RNA content of a human liver cell, which type of RNA would you expect to find in the highest concentration?
mRNA
tRNA
rRNA
miRNA
A diploid cell undergoes a type of cell division resulting in four haploid cells. This process is known as:
Mitosis
Meiosis
Binary fission
Budding
Ribozyme was discovered by
Kuhne
Duclaux
Cech
Altmann
Which of the following RNAs should be most abundant in animal cell?
mi-RNA
r-RNA
t-RNA
m-RNA
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
