____ may have been the ancestors of cellular life.
A) Circular RNA
B) Prokaryotic cells
C) Pseudocells
D) Lipid globules
E) Protocells
Correct Answer:
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Q12: _ are dome-shaped structures composed of layers
Q13: DNA is more stable than RNA for
Q14: What are the four main organic subunits
Q15: Evidence supporting the lack of oxygen on
Q16: Place the following hypothesized events of the
Q18: G. lamblia infection in the gut _;
Q19: According to scientific evidence, the first organisms
Q20: A _ is a disease-causing organism.
A) microbiota
B)
Q21: The _ is/are a plant's main line
Q22: Bacteria _.
A) are diploid organisms
B) produce gametes
C)
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