Multiple Choice
The ____ provides evidence that RNA molecules generated the first proteins.
A) redundancy of the genetic code
B) ability of rRNA to catalyze the formation of peptide bonds between amino acids
C) polymerase activity of some ribozymes
D) cleavage of mRNA molecules by rRNA
E) physical structure of polypeptides
Correct Answer:
Verified
Correct Answer:
Verified
Q42: Fatty acids and ribozymes are incompatible as
Q43: Most scientists believe that prokaryotes evolved from
Q44: The ancestor of the three domains of
Q45: Why is the absence of atmospheric oxygen
Q46: Protocells likely grew within microscopic compartments in
Q48: E ukaryotic evolution relied on _.<br>A) horizontal
Q49: What key assumption of the endosymbiotic theory
Q50: The earliest evidence of biochemical reactions by
Q51: Stromatolites are fossils of ancient, photosynthetic cyanobacteria
Q52: The first truly living cells must have