DNA is believed to have replaced RNA as the main information molecule because _____.
A) DNA contains thymine and RNA does not.
B) DNA is double-stranded and breaks less easily.
C) DNA can store more protein-building instructions in less space.
D) RNA can also function as an enzyme.
E) RNA can regulate gene expression.
Correct Answer:
Verified
Q4: The first eukaryotic fossils are dated to
Q5: The "big bang" refers to
A) an
Q7: Fossils indicate that the first cells were
Q7: The ozone layer is valuable because it
Q8: The first cells were _.
Anaerobic
A) autotrophic
B) parasitic
C)
Q9: Figure 19.3 Q11: The study of life's origins and distribution
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